when

adverb

/wen/

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(used in questions) at what time; on what occasion
- When did you last see him?
- When can I see you?
- When (= in what circumstances) would such a solution be possible?
used after an expression of time to mean ‘at which’ or ‘on which’
- Sunday is the only day when I can relax.
- There are times when I wonder why I do this job.
at which time; on which occasion
- The last time I went to Scotland was in May, when the weather was beautiful.

Word OriginOld English hwanne, hwenne; of Germanic origin; related to German wenn ‘if’, wann ‘when’.

when

pronoun

/wen/

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what/which time
- Until when can you stay?
- ‘I've got a new job.’ ‘Since when?’
Word OriginOld English hwanne, hwenne; of Germanic origin; related to German wenn ‘if’, wann ‘when’.

when

conjunction

/wen/

Idioms

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at or during the time that
- I loved history when I was at school.
after
- Call me when you've finished.
at any time that; whenever
- Can you spare five minutes when it's convenient?
just after which
- He had just drifted off to sleep when the phone rang.
considering that
- How can they expect to learn anything when they never listen?
although
- She claimed to be 18, when I know she's only 16.

Word OriginOld English hwanne, hwenne; of Germanic origin; related to German wenn ‘if’, wann ‘when’.

Idioms

as and when

used to say that something may happen at some time in the future, but only when something else has happened
- We'll decide on the team as and when we qualify.
- I'll tell you more as and when (= as soon as I can).

if and when

used to say something about an event that may or may not happen
- If and when we ever meet again I hope he remembers what I did for him.

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单词	when
释义	when adverb /wen/ /wen/ jump to other results (used in questions) at what time; on what occasion When did you last see him? When can I see you? When (= in what circumstances) would such a solution be possible? used after an expression of time to mean ‘at which’ or ‘on which’ Sunday is the only day when I can relax. There are times when I wonder why I do this job. at which time; on which occasion The last time I went to Scotland was in May, when the weather was beautiful. Word OriginOld English hwanne, hwenne; of Germanic origin; related to German wenn ‘if’, wann ‘when’. when pronoun /wen/ /wen/ jump to other results what/which time Until when can you stay? ‘I've got a new job.’ ‘Since when?’ Word OriginOld English hwanne, hwenne; of Germanic origin; related to German wenn ‘if’, wann ‘when’. when conjunction /wen/ /wen/ Idioms jump to other results at or during the time that I loved history when I was at school. after Call me when you've finished. at any time that; whenever Can you spare five minutes when it's convenient? just after which He had just drifted off to sleep when the phone rang. considering that How can they expect to learn anything when they never listen? although She claimed to be 18, when I know she's only 16. Word OriginOld English hwanne, hwenne; of Germanic origin; related to German wenn ‘if’, wann ‘when’. Idioms as and when used to say that something may happen at some time in the future, but only when something else has happened We'll decide on the team as and when we qualify. I'll tell you more as and when (= as soon as I can). if and when used to say something about an event that may or may not happen If and when we ever meet again I hope he remembers what I did for him.
随便看	impulsiveness impunity impure impurity imputation impute impute to impute-to in in. in- -in in_1 in_2 in_3 in_5 in_6 inability in absentia in-absentia inaccessibility inaccessible inaccuracy inaccurate inaccurately