know
verb
uk/nəʊ/us/noʊ/knew|knownknowverb(HAVE INFORMATION)
A1[IorT,not continuous]
to haveinformationinyourmind:
知道，熟悉，了解"Where did he go?" "I don't know."“他上哪儿去了？”“我不知道。”
"What does itcost?" "Ask Kate. She'll know."“这个要多少钱？”“问凯特，她知道。”
She knows thenameof everykidin theschool.她知道学校里每个孩子的名字。
I don't know anythingaboutthis.我对此一无所知。
[+ question word]We don't knowwhen he'sarriving.我们不知道他什么时候到。
I don't know(=understand)what all thefussis about.我不明白这么大惊小怪干什么。
[+ (that)]I just knew(that)it was going to be adisaster.我就知道这会是场灾难。
She knew(= wasaware)(that)something waswrong.她知道出错了。
[+ obj + to infinitive]Evensmallamountsof thesesubstancesare knowntocauseskinproblems.我们知道这类物质即使是一丁点也会损害皮肤。
formalTheauthoritiesknow himtobe(= know that he is)acocainedealer.当局知道他是个可卡因贩子。
aware of something
- awareWe are aware that some people are getting frustrated.
- consciousI am conscious of the need for greater scrutiny of these matters.
- cognizantMost people are cognizant of the fact that some pollsters ask leading questions.
- knowWe know that people who are stressed out look haggard.
to know facts
- knowI know you've been hiding something from me.
- be familiar withI'm very familiar with various accountancy software packages.
- informedit's important to keep the public informed about the steps they're taking.
- be apprised ofThe suspect will be apprised of their rights.
- realizeI realized that it was too late to stop them from finding out.
- have heard ofMost Americans have never heard of the California Air Resources Board.
A1[Tnot continuous]
used toasksomeone totellyou apieceofinformation:
（用于询问信息）知道Do you know thetime?你知道几点了吗？
[+ question word]Do you knowwherethe PostOfficeis?你知道邮局在哪儿吗？
A2[IorT,not continuous]
to becertain:
确知；确信[+ (that)]I know(that)she'll be reallypleasedtohearthenews.我确信她知道这个消息会很高兴的。
[+ question word]I don't knowwhetherI shouldtellher or not.我不知道是否该告诉她。
Thepartyis at Sarah'shouseas/sofarasI know(= Ithinkbut I am notcertain).据我所知，聚会在萨拉家举行。
- "Will thetablefitin here?" "I don't know - let'smeasureit."
- I still don't know whether she's coming or not.
- It's abitsuspiciousthat no one knows where he was at thetimeof themurder.
- No one knew how manytroopshaddiedincombat.
- "He's beenmarriedthreetimes." "Oh, really? I didn't know that!"
Learning & knowing
- absorptive capacity
- acquire
- acquisition
- assimilate
- autodidact
- extension
- familiar
- journey
- non-academic
- non-library
- onboard
- onboarding
- outlearn
- shadow
- sit
- uncultivated
- uncultured
- unlearnable
- unteachable
- upskill
knowverb(BE FAMILIAR WITH)
B1[Tnot continuous]
to befamiliarwith or haveexperienceandunderstandingof:
认识；熟悉I've known Daniel since we were atschooltogether.从我们一起上学开始我就认识丹尼尔。
Shegrewup inParisso she knows it well.她在巴黎长大，对那儿很熟悉。
I'veseenthefilm"Casablanca" so manytimesthat I know a lot of itbyheart(= I know it in mymemory).电影《卡萨布兰卡》我看过很多遍，对很多情节我都烂熟于心。
Knowing Karen(= from myexperienceof her in the past), she'll have done a goodjob.据我对萨拉的了解，她会干得很好。
formalI have known(=experienced)greathappinessin mylife.我的人生中体味过极大的欢乐。
B1[IorT,not continuous](alsoknow about)
If you know asubject, you arefamiliarwith it andunderstandit:
知晓，通晓Do you knowaboutcomputers?你懂电脑吗？
She knows hersubjectinside out(= very well).她精通自己的学科。
A2[Tnot continuous]
If you know alanguage, you canspeakandunderstandit:
通晓（语言）；会Do you know anyFrench?你会法语吗？
[Tnot continuous]
torecognizesomeone or something:
认出；辨认出That's Peteralright- I'd know himanywhere!那就是彼得——到哪儿我都能认出他！
I know abargainwhen Iseeone.是不是好买卖，我一看就知道。
know how to dosomething
A2
to beableto do something because you have thenecessaryknowledge:
懂得怎么做Do you know how toprinton thiscomputer?你会用这台电脑打印吗？
to be able to do something
- able toI wasn't able to work out what she was trying to say.
- canCan you make out what she is trying to say?
- be capable of (doing)You are capable of a lot more than you think you are.
- know how to"Do you know how to swim?" "Of course I know how to swim."
get to knowsomeone/something
B1
tospendtimewith someone or something so that yougraduallylearnmore about him, her, or it:
逐渐熟悉，逐渐了解The firstcoupleofmeetingsare for thedoctorandpatientto get to know each other.开始的几次会面使医生和病人相互逐渐熟悉。
I'll need a fewweeksto get to know thesystem.我需要几周的时间来熟悉这一系统。
knowsomeoneby name
to haveheardthenameof apersonbut notseenortalkedto them
听说过（某人）knowsomeoneby sight
If you know someone bysight, thatpersonlooksfamiliarto you, but is not afriendof yours.
与（某人）只是面熟- I know the firstverseof thesong, but I don't know what comes next.
- If you don't know what the wordmeans,lookit up in adictionary.
- It's alwaysawkwardwhen youmeetsomeone you know, but you can'tremembertheirname.
- He knows a lot ofpeople, but only one or two that he'dcallclosefriends.
- Ihopeshe knows where to get off thebus.
Learning & knowing
- absorptive capacity
- acquire
- acquisition
- assimilate
- autodidact
- extension
- familiar
- journey
- non-academic
- non-library
- onboard
- onboarding
- outlearn
- shadow
- sit
- uncultivated
- uncultured
- unlearnable
- unteachable
- upskill
You can also find related words, phrases, and synonyms in the topics:
Skill, talent and ability
Being friends & getting to know them
Grammar
Know
We commonly use the verb know with a noun phrase, with a that-clause or with a wh-clause (e.g. who, where, why):…Know how+ infinitive
We do not commonly use know + to-infinitive. We use know how + to-infinitive:…Know+ object + infinitive
In very formal English, we use know + object + to-infinitive:…Knowwithout an object
To refer to general knowledge, we use know without an object:…You know
We use you know very often in speaking as a discourse marker. We use it to check that the people we are speaking to share the same knowledge as us and understand what we are saying:…You know
We use you know very commonly in speaking. It is used to check with our listeners that we share the same knowledge. When we use you know, we assume that the listener or listeners do have the knowledge that we want them to have:…Idioms
before you know it
be known to be/dosomething
Goodness/God/Heaven/Christ knows
how was I to know?
I don't know
I don't know about you but...
I don't know how, what, why, etc.
I know
I know, right?
I'll, he'll, etc. have you know
knowsomethingback to front
knowsomethinglike the back ofyourhand
knowyourown mind
knowyourplace
knowyourstuff
knowyourway aroundsomething
know all the answers
know all there is to know aboutsomething
know best
know better (than to dosomething)
know better (thansomeone)
know the score
know whatyouare doing
know whatyouare talking about
(you) know what I mean
know what it is (like) to
know what's what
know which sideyourbread is buttered (on)
somethingknows no bounds
not knowsomeonefrom Adam
not know the first thing aboutsomething
not know the meaning of the word
not know what has hityou
not know where to putyourself
not know where/which way to turn
not know whether to laugh or cry
not that I know of
there's no knowing
(well) what do you know!
wouldn't knowsomethingifyoufell over one/it
you know
you know something?
you never know
Phrasal verbs
knowsomethingfromsomething
know ofsomeone/something
know
noun
informaluk/nəʊ/us/noʊ/be in the know
to haveknowledgeabout something that mostpeopledo not have:
知情，熟知内幕Thisresortisconsideredby those who are in the know to have thebestdownhillskiinginEurope.了解情况的人认为，这个度假胜地有着欧洲最理想的滑雪坡道。
Aware
- abreast
- acquainted
- alive
- alive tosomethingidiom
- awake
- awakening
- conscious
- gen
- genned up
- have/keepyourfinger on the pulseidiom
- informed
- insider
- on the insideidiom
- overeducated
- perceive
- picture
- preliterate
- privy
- profound
- pulse