while/ waɪl /

1.noun [s] 
一会儿

a book that I read a little while ago
我不久前刚看的一本书
2.conjunction
(at the same time as) 当…的时候

While I was in London she was in Paris.
当我在伦敦的时候,她在巴黎。
3.conjunction
(during the time that) 在…时

Someone opened the door while he was making his speech.
在他演讲时有人打开了门。
4.conjunction
(although) 虽然

While I'm very fond of him, I don't actually want to marry him.
虽然我很喜欢他,但我真的不想嫁给他。
5.conjunction
(but) 而

The first two services are free, while the third costs £35.
头两次服务是免费的,而第3次要花费35镑。
for a while
有一会儿
in a while
过一会儿
all the while
一直
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