when

US /wen/
UK /wen/
"when" picture
1.

什麼時候

at what time or on what occasion

:
When did you arrive?
什麼時候到的?
When will the meeting start?
會議什麼時候開始?
2.

當...的時候, 在...時

at the time that; during the time that

:
I was sleeping when the phone rang.
電話響的時候我正在睡覺。
She smiled when she saw him.
她看到他的時候笑了。
1.

時間, 何時

the time at which something happens

:
Tell me the when and where of the party.
告訴我派對的時間和地點。
The exact when of the event is still unknown.
事件發生的具體時間仍然未知。
1.

當...的時候, 那時

at which time (referring to a preceding noun)

:
There was a time when I believed in magic.
曾幾何時,我曾相信魔法。
I remember the day when we first met.
我記得我們第一次見面的那天