if

ififD.J.:[if]K.K.:[ɪf]conj.1.■如果, 假如If only I had gone by taxi.假若我是乘计程车去的就好了。If necessary, give me a ring.如果需要, 打个电话给我。If ever eyes could speak, hers did very plainly.如果说眼睛能说话, 她的眼睛可说得清楚极了。2.■是否I will see if he wants to talk to you.我去了解一下他是否想和你谈话。3.■即使, 虽然We will go even if it rains.即使下雨, 我们也要去。If he is poor, at least he is honest.他虽然穷, 但至少是诚实的。4.■无论何时She glares at me if I go near her desk.我一走近她的办公桌, 她就瞪我。n.1.■不确定的事, 无把握的事If he wins—and it's a big if—he'll be the first Chinese to win for fifty years.假使他赢了——是否能赢还是一大疑问——他将是五十年来的第一个获胜的中国人。

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if[if]conj.1.■[表示条件或假设]如果；假如，倘若，要是：If I knew, I would say.如果我知道，我就说了。If I were you, I would have failed.如果我是你，我可能会失败的。2.■尽管；虽然；即使：If he is little, he is strong.他尽管年纪小，力气倒蛮大的。If I am wrong, you are not right.即使我错了，你也不对。3.■是否：I don't know if he is at home.问他是否在家。Ask him if he's at home.我不知道他是否在家。4.■当…时，就：If I do not understand, I ask questions.当我不懂时我就问。If I feel any doubt, I ask.我有疑问时就问。5.■[表示愿望、感叹]要是…多好：If I hadn't lost my purse!我的钱包要是没丢多好!6.■[与 will， could 等连用，表示婉言请求]：If you will keep waiting for a while, they'll soon be back.请你再等一会儿，他们很快就会回来了。7.■[与动词否定式连用，表示惊讶、愤怒等]：If isn't Stephen!那不是史蒂芬吗!n.1.■疑问；设想；有疑问的事2.■条件，必需的条件；规定as if见 asif and when万一，如果；只有当…之时if any即使有也(极少)，若有的话if anything happens to someone万一某人发生什么意外(或不幸)；万一某人不幸死亡if at all如(某事)果真会发生(或出现)的话；若(某人)真要做(某事)的话if ever假如，要是；如果真有(我当真)if not要是不，即使不if only要是，只要要是…多好正是，就是，恰恰是if only because (或if only to)即使仅仅因为ifs and buts借口；托词if so如果是这样的话if you please劳驾；请如果不愿意的话；如果你接受(我允许)的话[口语]居然，竟然

ifif[if]conj.1.■[表示条件, 假设]如果, 要是; 假如2.■[表示让步]虽然; 即使3.■是否, 是不是4.■(＝whenever)无论何时; 当5.■[表示愿望, 感叹]要是....多好If weather permits....(常略作Ｉ.Ｗ.Ｐ)如果天气好的话....I'll do it if I die in the attempt.即使会丧命我也要试一下。Ask if he is at home.问一问他在不在家。If I do not understand what he says, I always ask him.我不懂他的话时, 总是去问他。If I haven't lost my watch!我的表要是不丢该多好!If I only knew!要是我知道该多好。

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词性变化if[if]n.1.■条件; 设想ifs and buts拖延的原因Your argument seems to have too many ifs.你的论据似乎假设太多了一些。I don't want ifs and buts; swallow your medicine at once.我可不听你泡蘑菇, 马上吞下你的药。