| 单词 | if |
| 释义 | ififif /ɪf/ linking word1a)used when talking about the possibility that something might happen or be true: If you finish first, you’ll get a prize.第一个完成的话有奖。Add more salt if necessary.需要的话再加些盐。I want to leave by 5 o’clock if possible.可能的话﹐我想 5 点以前走。I wouldn’t tell you, even if I knew.know就算我知道﹐我也不会告诉你。Are you coming to see us, and if so (=if you are coming), when?become你会来看我们吗？要是来的话﹐什么时候？Does he know? If not, what shall I tell him?do他知道吗？要是不知道的话﹐我要跟他说些什么呢？ b)used to talk about something that sometimes happens: If I don’t go to bed by 10, I’m exhausted the next day.exhaust我要是 10 点以前不上床睡觉﹐第二天就会很累。2used to mention a fact, situation, or event that someone asks about, or is not certain about: He asked me if I was all right.askbe他问我是否身体不适。I wonder if John’s home yet.我想知道约翰是否已经到家了。I’m not sure if she’s coming.come我不敢肯定她是否会来。I don’t know if he’s here or not.我不知道他来了没有。3used to ask something politely: I wonder if you could help me?can不知道你能否帮我个忙。Would you mind if I open the window?will我把窗打开可以吗？4used to add to what you have just said and make it stronger: He rarely, if ever, swears.swear他难得说脏话。The snow made it difficult, if not impossible, to go out.make大雪让人们难以出外﹐甚至可能不能出外。He wasn’t unpleasant – if anything (=in fact), he was nicer than before.benice他不凶﹐事实上他比以前还好呢。Phrasesif I were you used when giving someone advice: I’d leave if I were you.be我要是你﹐我就走。if only used to express a strong wish: If only he’d agree!要是他同意就好了！THESAURUS: ifif used when talking about the possibility that something might happen or be true: If it rains, we’ll have the party indoors.rainYou can always bring it back if there’s a problem.unless if something does not happen, or if someone does not do something: They’ll be here soon, unless their flight’s been delayed.bedelayUnless I hear from them soon, I’ll assume that they’re not interested.interestotherwise used when saying that there will be a bad result if someone does not do something: Hurry up – otherwise you’ll be late.whether or not used when saying that it does not matter if something happens or if someone does something, because the result is the same: People often get better on their own, whether or not they see a doctor.wellI’m going to the party, whether she likes it or not.golikein case so that you are ready to deal with something that might happen: I don’t think it will rain, but I’ll take my umbrella just in case.You should always have a spare tyre in case of emergency.shallas long as only if something else happens or is true: You’re welcome to come, as long as you don’t mind sleeping on the sofa.sleep |
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