While

他读信时,她听得很仔细。

我们必须趁热打铁。

同样的规则亦适用于while：

在实际应用中，while比do-while更常用一些。

我喜欢喝茶,而她喜欢喝咖啡。

【记】※ while-一会儿,white-白:过了一会儿,白云出现了 ※ wh-拼音“晚会”,I-我,le-拼音“乐”:当有晚会时我就乐了 ※ whale-鲸,while-当的时候:得在鲸鱼麻痹大意的时候才能捉住它们

while n[sing] 1 (period of) time （一段）时间 She worked in a bank for a while before studying law. 她学法律之前在银行工作过一段时间. For a long while we had no news of him. 很长一段时间我们没有他的消息. I'll be back in a little while, ie soon. 我一会儿就回来. It took quite a while (ie a long time) to find a hotel. 很长时间才找到一家旅馆. We waited for three hours, all the while hoping that someone would come and fetch us. 我们等候了三个小时, 一直希望能有人来接我们. 2 (idm 习语) once in a while => once. worth sb's while => worth. while, v (phr v) while sth away pass (a period of time) in a leisurely way 逍遥自在地度过（一段时间） We whiled away the time at the airport reading magazines. 我们在机场阅读杂志消磨时间. It's easy to while a few hours away in a museum. 在博物馆里很容易打发掉几个小时. while (also whilst ) conj 1 (a) during the time that; when 在...期间; 当...的时候 He fell asleep while (he was) doing his homework. 他做著做著功课就睡著了. While I was in Madrid there was a carnival. 我在马德里的时候正赶上狂欢节. While (locked up) in prison, she wrote her first novel. 她在狱中写出了第一部小说. (b) at the same time as 与...同时 While Mary was writing a letter, the children were playing outside. 玛丽写信时孩子都在外面玩儿. He listens to the radio while driving to work. 他去上班一边开著车一边听音乐. I lived in a hostel while I was a student. 我求学期间住在青年招待所里. 2 (used to show a contrast 用以表示对比或相反的情况) I drink black coffee while he prefers it with cream. 我爱喝清咖啡而他喜欢加奶油的. English is understood all over the world while Turkish is spoken by only a few people outside Turkey itself. 英语世界通行, 但土耳其语离开本国就很少有人说了. 3 (fml 文) although 虽然: While I admit that there are problems, I don't agree that they cannot be solved. 尽管我承认有问题存在, 但我不同意说这些问题不能解决.

*[hwail]n. 一会儿, (一段)时间conj. 当...的时候, 虽然vt. 消磨相关词组: after a while a short while ago all the while once in a while make it worth sb's while the while while sth away