what
pronoun, determiner /wɒt/
  /wʌt/
Idioms - used in questions to ask for particular information about somebody/something什么 - What is your name?你叫什么名字? 
- What (= what job) does he do?他是做什么工作的? 
- What time is it?现在什么时候了? 
- What kind of music do you like?你喜欢什么音乐? 
 
- What is your name?
- the thing or things that; whatever…的事物;无论什么;凡是…的事物 - What you need is a good meal.你需要的是一顿美餐。 
- Nobody knows what will happen next.没有人知道接下来将会发生什么事。 
- I spent what little time I had with my family.我仅有的一点儿时间都和家人在一起度过了。 
 
- What you need is a good meal.
- used to say that you think that something is especially good, bad, etc.多么;真;太 - What awful weather!天气太糟糕了! 
- What a beautiful house!多么漂亮的房子啊! 
 
- What awful weather!
词源Old English hwæt, of Germanic origin; related to Dutch wat and German was, from an Indo-European root shared by Latin quod.
Idioms 
and what not | and what have you 
- (informal) and other things of the same type以及其他同样的东西;诸如此类 - It's full of old toys, books and what not.这里全都是旧玩具、书籍,以及诸如此类的东西。 
 
- It's full of old toys, books and what not.
come what may 
- despite any problems or difficulties you may have不管出现什么问题;无论有什么困难;不管怎样 - He promised to support her come what may.他答应不管出现什么问题都支持她。 
 
- He promised to support her come what may.
get/give somebody what for 
- (informal) to be punished/punish somebody severely(受到)严惩;(被)痛打一顿,申斥一顿 - I'll give her what for if she does that again.她若再这样做,看我怎么收拾她。 
 
- I'll give her what for if she does that again.
or what (informal)
- used to emphasize your opinion(强调看法) - Is he stupid or what?他真是傻透了。 
 
- Is he stupid or what?
- used when you are not sure about something(表示不肯定)还是别的什么 - I don't know if he's a teacher or what.我不知道他是个教师还是别的什么。 
- Are we going now or what?我们现在走还是不走? 
 
- I don't know if he's a teacher or what.
say what? 
- (North American English, informal) used to express surprise at what somebody has just said(惊讶或愤怒时说)什么,竟有这种事,真的 - ‘He's getting married.’ ‘Say what?’“他快结婚了。”“你说什么?” 
 
- ‘He's getting married.’ ‘Say what?’
so what? 
- (informal) used to show that you think something is not important, especially after somebody has criticized you for it多么;真;太 - ‘He's fifteen years younger than you!’ ‘So what?’“他比你小十五岁呢!”“那又怎么啦?” 
- So what if nobody else agrees with me?就算没有一个人赞成我的意见,那又怎么样? 
 
- ‘He's fifteen years younger than you!’ ‘So what?’
what? (informal)
- used when you have not heard or have not understood something(没听见或没听懂时说)什么 - What? I can't hear you.什么?我听不见你说话。 
 
- What? I can't hear you.
- used to show that you have heard somebody and to ask what they want(听到对方的话并问他们要什么)什么事,要什么 - ‘Mummy!’ ‘What?’ ‘I'm thirsty.’“妈咪!” “什么事?” “我渴。” 
 
- ‘Mummy!’ ‘What?’ ‘I'm thirsty.’
- used to express surprise or anger(惊讶或愤怒时说)什么,竟有这种事,真的 - ‘It will cost $500.’ ‘What?’“这东西要花 500 美元。” “真的?” 
- ‘I asked her to marry me.’ ‘You what?’“我向她求婚了。” “你说什么?” 
 
- ‘It will cost $500.’ ‘What?’
what about…? (informal)
- used to make a suggestion(提出建议)…怎么样 - What about a trip to France?到法国去旅游一趟如何? 
 
- What about a trip to France?
- used to introduce somebody/something into the conversation(用以引出话题)…怎么样 - What about you, Joe? Do you like football?你呢,乔?你喜欢足球吗? 
 
- What about you, Joe? Do you like football?
what-d’you-call-him/-her/-it/-them | what’s-his/-her/-its/-their-name 
- used instead of a name that you cannot remember(记不得名字时说)你叫他(或她、它、他们)什么来着 - She's just gone out with old what-d'you-call-him.她刚和老…,你叫他什么来着,一块儿出去的。 
 
- She's just gone out with old what-d'you-call-him.
what for? 
- for what purpose or reason?为何目的;为何理由 - What is this tool for?这个工具是干什么用的? 
- What did you do that for (= why did you do that)?你为何做那事? 
- ‘I need to see a doctor.’ ‘What for?’“我得去看医生。” “看什么病?” 
 
- What is this tool for?
what if…? 
- what would happen if?要是…会怎么样呢 - What if the train is late?火车要是晚点会怎么样呢? 
- What if she forgets to bring it?要是她忘记带来,会怎么样呢? 
 
- What if the train is late?
what of it? 
- (informal) used when admitting that something is true, to ask why it should be considered important(承认某事属实,想知道为何重要)那又怎么样呢,那有什么关系呢 - Yes, I wrote the article. What of it?是的,文章是我写的。那又怎么样呢? 
 
- Yes, I wrote the article. What of it?
what’s all that about? (British English) 
(North American English what’s up with that?)
- used to suggest that something you have heard is a stupid idea or does not make sense怎么回事(表示听到的话愚蠢或无聊) - They dropped their best player. What's all that about?他们失去了最好的球员。这是怎么回事? 
 
- They dropped their best player. What's all that about?
(know) what’s what 
- (informal) (know) what things are useful, important, etc.什么事物有用(或重要等) - She certainly knows what's what.她当然知道轻重缓急。 
 
- She certainly knows what's what.
what’s with somebody? 
- (North American English, informal) used to ask why somebody is behaving in a strange way(询问某人为何行为古怪)…怎么啦 - What's with you? You haven't said a word all morning.你怎么啦?整个上午你一句话都没说。 
 
- What's with you? You haven't said a word all morning.
what’s with something? 
- (North American English, informal) used to ask the reason for something(询问原因)为什么,怎么 - What's with all this walking? Can't we take a cab?怎么就这么一直走?难道我们就不能打辆出租车吗? 
 
- What's with all this walking? Can't we take a cab?
what with something 
- used to list the various reasons for something(列举各种理由)由于,因为 - What with the cold weather and my bad leg, I haven't been out for weeks.由于天气很冷,我的腿又不好,我已经好几个星期没有出门了。 
 
- What with the cold weather and my bad leg, I haven't been out for weeks.