until

柯林斯詞典

1. PREP If something happens until a particular time, it happens during the period before that time and stops at that time. 直到…為止[PREP n/prep]
Until 2004, she lived in Canada. 到2004年為止，她一直住在加拿大。
2. CONJ Until is also a conjunction. 直到…為止
I waited until it got dark. 我一直等到天黑。
3. PREP You use until with a negative to emphasize the moment in time after which the rest of your statement becomes true, or the condition which would make it true. 直到…才[PREP after neg]
The traffic laws don't take effect until the end of the year. 交通法要到年底才生效。
4. CONJ Until is also a conjunction. 直到…才
The government said that it has suspended all aid to Haiti until that country's legitimate government is restored. 政府說它已經(jīng)暫停對(duì)海地的所有援助，直到海地恢復(fù)合法政府為止。
5. up until→see up

She waited until her coffee had cooled down before taking a sip .
We didn't arrive at our hotel until after midnight .
The photographs will be on exhibition until the end of the month .
You make wine by leaving grape juice to ferment until all the sugar has turned to alcohol .
You'll have to wait until your next birthday for a new bike .