1
- a small piece of metal or wood for fastening or attaching things, in particular用以扣系物品的金属或木质销子, 钉子, 闩, 尤指：
1.1
- a thin piece of metal with a sharp point at one end and a round head at the other, used for fastening pieces of cloth, paper, etc.大头针, 别针; 图钉。
1.2
- a small brooch or badge饰针; 徽章, 像章。
1.3
- Medicine a steel rod used to join the ends of fractured bones while they heal【医】钢钉。
1.4
- a metal peg that holds down the activating lever of a hand grenade, preventing its explosion（手榴弹的）保险针, 保险销。
1.6
- Music a peg round which one string of a musical instrument is fastened【乐】弦轴; 琴轸。
2
- a short piece of wood or metal for various purposes, in particular用作各种目的的木质或金属短件, 尤指：
2.1
- a skittle in bowling（保龄球的）木瓶。
2.2
- a metal projection from a plug or an integrated circuit which makes an electrical connection with a socket or another part of a circuit插头; 插脚。
2.3
- Golf a stick with a flag placed in a hole to mark its position【高尔夫】标号旗杆。
3
pins
informal legs〈非正式〉腿：she was very nimble on her pins.
她腿脚非常灵活。
4
- Chess an attack on a piece or pawn which is thereby pinned【棋】牵制。
5
- Brit. historical 〈英, 史〉a half-firkin cask for beer 4.5加仑啤酒桶。
(pinned, pinning)with obj. and adverbial
1- attach with a pin or pins（用钉子）钉住, 别住：
pin a note on the door.
在门上钉一张字条。
1.1
- fasten (something) with a pin or pins in a specified position（用销子）闩住, 固定住：
her hair was pinned back.
她用发卡将头发卡在后面。
1.2
pin something on
fix blame or responsibility for something on (someone)把…归罪于; 把…归咎于。
1.3
- hold someone firmly in a specified position so they are unable to move使无法动弹：
she was standing pinned against the door.
她靠着门站在那儿, 动弹不得。
1.4
- with obj. transfix (something) with a pin or other pointed instrument（用钉子或其他尖物体）钉住, 固定：
an enormous butterfly pinned by a heartless collector.
被狠心的收藏者钉住的大蝴蝶。
1.5
- with obj. Chess hinder or prevent (a piece or pawn) from moving because of the danger to a more valuable piece standing behind it along the line of an attack【棋】牵制。
短语
(as) clean （或neat） as a new pin
- extremely clean or neat非常整洁。
for two pins I'd （或she'd等）
- - used to indicate that one is very tempted to do something, especially out of annoyance巴不得, 恨不得。
hear a pin drop
- used to describe absolute silence or stillness静得连针掉在地上也听得见。
on pins and needles
- in an agitated state of suspense如坐针毡; 焦躁不安; 急得要命。
pin one's colours to the mast
- 见MAST1。
pin one's ears back
- listen carefully全神贯注地听。
pin one's hopes （或faith） on
- rely heavily on寄厚望于; 把希望寄托在…上：
ministers were pinning their hopes on a big-spending Christmas.
部长们把希望寄托在大肆消费的圣诞节上。
词源
late Old English pinn, of West Germanic origin; related to Dutch pin 'pin, peg', from Latin pinna 'point, tip, edge'.
短语动词
pin someone down
1
- restrict the actions or movement of an enemy by firing at them火力压制。
1.1
- force someone to be specific and make their intentions clear迫使作具体说明和明确表态。
pin something down
- define something precisely确定, 落实。