before用作从属连词的六个意思
before用作从属连词的六个意思
用作连词引导时间状语从句,除表示“在……之前”这一基本义外,还有以下用法值得注意:
表示“宁可……也不愿”。如
They would die before surrendering. 他们宁死不屈。
True men choose death before dishonor. 大丈夫可杀而不可辱。
表示“不到……就”“还没有……就”。如:
Before the week was out, they were dead. 那个星期还没过完他们就死了。
Before he knew it, his piece of meat had fallen into the water. 他还没醒悟过来,那块肉就已经掉进了水里。
表示“以免”“免得”。如:
Do it before you forget. 趁早动手,免得忘了。
Put down that knife before you hurt somebody! 把那刀子放下,以免伤人!
表示“(必须)先……才能”。如:
The wrecked car had to be lifted before the driver could be extricated. 那辆撞毁的车子必须先移开,才能救出司机。
表示“(多久后)才”“(多久后)就”。如:
It won’t be long before they understand each other. 过不了多久他们就会互相了解的。
It will be a long time before we finish this dictionary. 我们需要很长的时间才能把这部词典编译完。
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