Definition of which in English:

which

determiner & interrogative pronounwɪtʃ

Asking for information specifying one or more people or things from a definite set.
哪一个；哪一些
as pronoun which are the best varieties of grapes for long keeping?
哪些葡萄品种最宜长期保存？
which of the suspects murdered him?
嫌疑犯中哪一个谋杀了他？
as determiner which way is the wind blowing?
风是往哪个方向刮的？
Example sentencesExamples
- What do you feel about this friend and which of his or her qualities do you see in yourself?
Synonyms
which, a fact which, something which

determiner & relative pronounwɪtʃ

Used referring to something previously mentioned when introducing a clause giving further information.
那一个；那一些（用于引导定语从句）
as pronoun a conference in Vienna which ended on Friday
星期五在维也纳闭幕的会议。
after preposition it was a crisis for which he was totally unprepared
这是一场令他猝不及防的危机。
as determiner, after preposition your claim ought to succeed, in which case the damages will be substantial
你的索赔应该会成功，如果是这样，赔偿金额会很大。
Example sentencesExamples
- They return to spawn in the same stream in which they were born, and die a few days later.
- This is not to mention the trauma of fear and terror of the bombing which has no end.
- You really must have your own work area which can be cut off from the rest of the house.
- There he had a nest over the window of a house in which dwelt the writer of fairy tales.
- The game can also end if the stock runs out of cards, in which case the result is a draw.
- As we took the top out of it I found a huge nest which is what I assume was the magpie house.
- It is often used to refer to a sort of social meeting in which it is pleasant to be together.
- So we do not need to step out of the house for days, which I am so looking forward to.
- Cars go out in the first session in the order in which they finished the previous race.
- It was of average size for a house of the particular period in which it had been built.
- He spent the night in the house of the evil spirit which was no longer able to live there.

Usage

On the differences between which and that in relative clauses, see that

Phrases

which is which

Used to convey that it is difficult to distinguish between two or more people or things.
there is no confusion as to which is which
哪个是哪个，不会混淆。
Example sentencesExamples
- I can't recall offhand which is which (though you could figure it out.
- I'm just having trouble figuring out which is which!
- I'll let you figure out which is which, it's not much of a puzzler.
- The writers suggest ways to distinguish which is which in any given congregation.
- I can, like the animals on the farm, no longer tell which is which.
- By the time you're done mixing it all together, it's hard to tell which is which.
- One is for a gift and one is for a service, but I can never remember which is which.
- I keep getting them mixed up, and I have to concentrate to remember which is which, and it's annoying.
- The interrogator talks to both via a teletype machine, and his goal is to figure out which is which.
- And that can make it hard to distinguish which is which.

Origin

Old English hwilc, from the Germanic bases of who and alike.

Rhymes

bewitch, bitch, ditch, enrich, fitch, flitch, glitch, hitch, itch, kitsch, Mitch, pitch, quitch, rich, snitch, stitch, switch, titch, twitch, witch

Definition of which in US English:

which

interrogative pronoun & determiner(h)wiCH(h)wɪtʃ

Asking for information specifying one or more people or things from a definite set.
哪一个；哪一些
as pronoun which are the best varieties of grapes for long keeping?
哪些葡萄品种最宜长期保存？
which of the suspects murdered him?
嫌疑犯中哪一个谋杀了他？
as determiner which way is the wind blowing?
风是往哪个方向刮的？
Example sentencesExamples
- What do you feel about this friend and which of his or her qualities do you see in yourself?
Synonyms
which, a fact which, something which

relative pronoun & determiner(h)wiCH(h)wɪtʃ

Used referring to something previously mentioned when introducing a clause giving further information.
那一个；那一些（用于引导定语从句）
as pronoun a conference in Vienna which ended on Friday
星期五在维也纳闭幕的会议。
after preposition it was a crisis for which he was totally unprepared
这是一场令他猝不及防的危机。
as determiner, after preposition your claim ought to succeed, in which case the damages will be substantial
你的索赔应该会成功，如果是这样，赔偿金额会很大。
Example sentencesExamples
- It was of average size for a house of the particular period in which it had been built.
- It is often used to refer to a sort of social meeting in which it is pleasant to be together.
- The game can also end if the stock runs out of cards, in which case the result is a draw.
- They return to spawn in the same stream in which they were born, and die a few days later.
- You really must have your own work area which can be cut off from the rest of the house.
- He spent the night in the house of the evil spirit which was no longer able to live there.
- Cars go out in the first session in the order in which they finished the previous race.
- So we do not need to step out of the house for days, which I am so looking forward to.
- As we took the top out of it I found a huge nest which is what I assume was the magpie house.
- There he had a nest over the window of a house in which dwelt the writer of fairy tales.
- This is not to mention the trauma of fear and terror of the bombing which has no end.

Usage

In US English, it is usually recommended that which be employed only for nonrestrictive (or nonessential) clauses: the horse, which is in the paddock, is six years old (the which clause contains a nonessential fact, noted in passing; the horse would be six years old wherever it was). A that clause is restrictive (or essential), as it identifies a particular thing: the horse that is in the paddock is six years old (not any horse, but the one in the paddock). See also restrictive and that

Phrases

which is which

Used when two or more people or things are difficult to distinguish from each other.
哪一个是哪一个；什么是什么
there is no confusion as to which is which
哪个是哪个，不会混淆。
Example sentencesExamples
- The writers suggest ways to distinguish which is which in any given congregation.
- By the time you're done mixing it all together, it's hard to tell which is which.
- I'm just having trouble figuring out which is which!
- The interrogator talks to both via a teletype machine, and his goal is to figure out which is which.
- And that can make it hard to distinguish which is which.
- I can, like the animals on the farm, no longer tell which is which.
- I can't recall offhand which is which (though you could figure it out.
- I keep getting them mixed up, and I have to concentrate to remember which is which, and it's annoying.
- I'll let you figure out which is which, it's not much of a puzzler.
- One is for a gift and one is for a service, but I can never remember which is which.

Origin

Old English hwilc, from the Germanic bases of who and alike.

单词	which
释义	Definition of which in English: which determiner & interrogative pronounwɪtʃ Asking for information specifying one or more people or things from a definite set. 哪一个；哪一些 as pronoun which are the best varieties of grapes for long keeping? 哪些葡萄品种最宜长期保存？ which of the suspects murdered him? 嫌疑犯中哪一个谋杀了他？ as determiner which way is the wind blowing? 风是往哪个方向刮的？ Example sentencesExamples What do you feel about this friend and which of his or her qualities do you see in yourself? Synonyms which, a fact which, something which determiner & relative pronounwɪtʃ Used referring to something previously mentioned when introducing a clause giving further information. 那一个；那一些（用于引导定语从句） as pronoun a conference in Vienna which ended on Friday 星期五在维也纳闭幕的会议。 after preposition it was a crisis for which he was totally unprepared 这是一场令他猝不及防的危机。 as determiner, after preposition your claim ought to succeed, in which case the damages will be substantial 你的索赔应该会成功，如果是这样，赔偿金额会很大。 Example sentencesExamples They return to spawn in the same stream in which they were born, and die a few days later. This is not to mention the trauma of fear and terror of the bombing which has no end. You really must have your own work area which can be cut off from the rest of the house. There he had a nest over the window of a house in which dwelt the writer of fairy tales. The game can also end if the stock runs out of cards, in which case the result is a draw. As we took the top out of it I found a huge nest which is what I assume was the magpie house. It is often used to refer to a sort of social meeting in which it is pleasant to be together. So we do not need to step out of the house for days, which I am so looking forward to. Cars go out in the first session in the order in which they finished the previous race. It was of average size for a house of the particular period in which it had been built. He spent the night in the house of the evil spirit which was no longer able to live there. Usage On the differences between which and that in relative clauses, see that Phrases which is which Used to convey that it is difficult to distinguish between two or more people or things. there is no confusion as to which is which 哪个是哪个，不会混淆。 Example sentencesExamples I can't recall offhand which is which (though you could figure it out. I'm just having trouble figuring out which is which! I'll let you figure out which is which, it's not much of a puzzler. The writers suggest ways to distinguish which is which in any given congregation. I can, like the animals on the farm, no longer tell which is which. By the time you're done mixing it all together, it's hard to tell which is which. One is for a gift and one is for a service, but I can never remember which is which. I keep getting them mixed up, and I have to concentrate to remember which is which, and it's annoying. The interrogator talks to both via a teletype machine, and his goal is to figure out which is which. And that can make it hard to distinguish which is which. Origin Old English hwilc, from the Germanic bases of who and alike. Rhymes bewitch, bitch, ditch, enrich, fitch, flitch, glitch, hitch, itch, kitsch, Mitch, pitch, quitch, rich, snitch, stitch, switch, titch, twitch, witch det.1 phr. Definition of which in US English: which interrogative pronoun & determiner(h)wiCH(h)wɪtʃ Asking for information specifying one or more people or things from a definite set. 哪一个；哪一些 as pronoun which are the best varieties of grapes for long keeping? 哪些葡萄品种最宜长期保存？ which of the suspects murdered him? 嫌疑犯中哪一个谋杀了他？ as determiner which way is the wind blowing? 风是往哪个方向刮的？ Example sentencesExamples What do you feel about this friend and which of his or her qualities do you see in yourself? Synonyms which, a fact which, something which relative pronoun & determiner(h)wiCH(h)wɪtʃ Used referring to something previously mentioned when introducing a clause giving further information. 那一个；那一些（用于引导定语从句） as pronoun a conference in Vienna which ended on Friday 星期五在维也纳闭幕的会议。 after preposition it was a crisis for which he was totally unprepared 这是一场令他猝不及防的危机。 as determiner, after preposition your claim ought to succeed, in which case the damages will be substantial 你的索赔应该会成功，如果是这样，赔偿金额会很大。 Example sentencesExamples It was of average size for a house of the particular period in which it had been built. It is often used to refer to a sort of social meeting in which it is pleasant to be together. The game can also end if the stock runs out of cards, in which case the result is a draw. They return to spawn in the same stream in which they were born, and die a few days later. You really must have your own work area which can be cut off from the rest of the house. He spent the night in the house of the evil spirit which was no longer able to live there. Cars go out in the first session in the order in which they finished the previous race. So we do not need to step out of the house for days, which I am so looking forward to. As we took the top out of it I found a huge nest which is what I assume was the magpie house. There he had a nest over the window of a house in which dwelt the writer of fairy tales. This is not to mention the trauma of fear and terror of the bombing which has no end. Usage In US English, it is usually recommended that which be employed only for nonrestrictive (or nonessential) clauses: the horse, which is in the paddock, is six years old (the which clause contains a nonessential fact, noted in passing; the horse would be six years old wherever it was). A that clause is restrictive (or essential), as it identifies a particular thing: the horse that is in the paddock is six years old (not any horse, but the one in the paddock). See also restrictive and that Phrases which is which Used when two or more people or things are difficult to distinguish from each other. 哪一个是哪一个；什么是什么 there is no confusion as to which is which 哪个是哪个，不会混淆。 Example sentencesExamples The writers suggest ways to distinguish which is which in any given congregation. By the time you're done mixing it all together, it's hard to tell which is which. I'm just having trouble figuring out which is which! The interrogator talks to both via a teletype machine, and his goal is to figure out which is which. And that can make it hard to distinguish which is which. I can, like the animals on the farm, no longer tell which is which. I can't recall offhand which is which (though you could figure it out. I keep getting them mixed up, and I have to concentrate to remember which is which, and it's annoying. I'll let you figure out which is which, it's not much of a puzzler. One is for a gift and one is for a service, but I can never remember which is which. Origin Old English hwilc, from the Germanic bases of who and alike. interrogative pron.1 phr.
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