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when

美 [hwen]
英 [wen]
  • adv.什么时候;何时;当时;什么情况下
  • pron.什么时候;何时
  • n.时候
  • conj.既然;虽然;可是;在…时候
  • 网络时间;何时做;当……的时候
复数:whens  
when
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adv.
1.
什么时候;何时;什么情况下;什么场合下at what time; on what occasion
When did you last see him?
你上次什么时候见到他的?
When can I see you?
我什么时候可以见你?
When(= in what circumstances) would such a solution be possible?
什么情况下可以这么解决?
2.
(用于时间的表达方式之后)在那时,其时used after an expression of time to mean ‘at which’ or ‘on which’
Sunday is the only day when I can relax.
星期日是我唯一可以休息的日子。
There are times when I wonder why I do this job.
有时候我也不明白自己为什么要干这个工作。
3.
其时;当时;当场at which time; on which occasion
The last time I went to Scotland was in May, when the weather was beautiful.
我上次去苏格兰是在五月份,那时的天气好极了。
pron.
1.
什么时候;何时what/which time
Until when can you stay?
你可以待到什么时候?
‘I've got a new job.’ ‘Since when?’
“我有了份新工作。”“什么时候开始的?”
conj.
1.
在…时候;当…时;在…期间at or during the time that
I loved history when I was at school.
我上学时喜欢历史。
2.
在…之后after
Call me when you've finished.
你完成后就打电话给我。
3.
在任何…时候at any time that; whenever
Can you spare five minutes when it's convenient?
方便时能占用你五分钟时间吗?
4.
一…就;刚…就just after which
He had just drifted off to sleep when the phone rang.
他刚睡着电话铃就响了。
5.
考虑到;既然considering that
How can they expect to learn anything when they never listen?
既然他们从不听讲,他们怎么能指望学到东西呢?
6.
虽然;然而;可是although
She claimed to be 18, when I know she's only 16.
她自称是 18 岁,可是我知道她才 16 岁。

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