定义
While (I was sleeping...): 当(我在睡觉…)的时候
在英式英语中，通常用whilst替代"while"。
While he presented an impressive CV, he did not do very well in the interview. 虽然他递交的简历令人印象深刻，但面试并没有表现好。
Can you wait for me while I get a few things from the store? 我去商店买东西的时候你能等我一会儿吗？
While (on the building site, be very careful): 当（到了建筑工地，你要格外小心）
(to wait for) a while: （等）一段时间，一会儿
It's been a while since I last heard form you. 从上次收到你的来信已经过去很久了。
Pronunciation examples
UK: Whilst you're up, would you mind making me a cup of tea?
US: I cut my chin while shaving this morning.
- "Now you shake the test tube, while I sing the peace and love song."
- "And while I'm here, we'll be serving dinner in about half an hour."
- "Yes, yes... "heart attack while saving orphans from a fire"."
- "Bruno : I felt like the king of the world while Betty's banquet continued."
- "For those of you just tuning in, it was reported that the eccentric perfume magnate was piloting a hot air balloon while drunk when he lost control of the machine."
- "while children like dogs because they often solve mysteries in a large van in cartoons."
- "Horatio : Do you know who is feeding my monkeys while we're gone?"
- "At the same time, Philip developed a talent for sales while travelling door to door with his father and selling first hot dogs, then toasters, and eventually insurance policies."
- "I'm sitting in Mr. Warbuckle's golf cart, while he drives me around the ranch."
- "Perhaps Michael can write a song to sing while you shake the bottle?"
