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until + time/noun phrase
The store is open until 9 p.m.
这家商店营业到晚上9点。
直到；在…以前
先理解核心含义，再看它在真实句子里的用法。
直到；在…以前
up to (a specified time); before
The store is open until 9 p.m.
这家商店营业到晚上9点。
直到(某事发生)；在此之前
Up to the time of (something happening); pending.
直到(某个地方)
Up to (a certain place)
在(某时间)之前
Before (a time).
直到可供出售的食物或其他物品用完,或任务完成
Up to the time that the foods or other things available to sell, or tasks which need to be completed, run out.
The library is open until nine o'clock.
图书馆开放到九点。
I will stay here until the end of the concert.
我会在这里待到音乐会结束。
You can keep the book until next Monday.
你可以把这本书留到下周一。
The store is open until 9 p.m.
这家商店营业到晚上9点。
用于强调某事在特定时间之前未发生。
He didn't finish his homework until midnight.
他直到午夜才完成作业。
until在这里是连词，引导时间状语从句。
Wait here until I come back.
在这里等到我回来。
Not this
Please finish the report until 5 p.m.
Use this
Please finish the report by 5 p.m.
until表示动作持续到某时间，而by表示在某时间之前完成。中文用“直到”表达截止时间，但英文中by才对应“在...前完成”。
Not this
He will come until 9 o'clock.
Use this
He won't come until 9 o'clock.
until用于肯定句表示动作持续到该时间，但中文“直到...才”在英文中需用not...until否定结构。肯定句表示“他将一直来直到9点”，与中文原意相反。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
直到……才
He didn't arrive until 10 o'clock.
他直到10点才到。
直到现在
I have been waiting until now.
我一直等到现在。
直到那时
Please wait until then.
请等到那时。
直至另行通知
The office will be closed until further notice.
办公室将关闭，直至另行通知。
直到最后
She stayed until the end of the movie.
她一直待到电影结束。
直到下次
Goodbye until next time.
再见，下次见。
长时间地，无限期地
You can argue with him until the cows come home, but he won't change his mind.
你可以跟他争论到天荒地老，但他不会改变主意。
徒劳地，白费口舌
You can explain it to him until you are blue in the face, but he still won't understand.
你可以跟他解释得口干舌燥，他还是不明白。
直到另行通知
The library will be closed until further notice due to renovations.
由于翻修，图书馆将关闭，直到另行通知。
直到你把无意识变为意识，它会支配你的人生，而你会称之为命运。
I didn't understand my behavior until I learned about my unconscious motivations.
直到我了解了我的无意识动机，我才理解了我的行为。
直到狮子学会写字，每个故事都会美化猎人。
History is often biased until the marginalized have a voice.
历史往往存在偏见，直到边缘群体有了发言权。
Use until naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“until”中的“til”即“till”（直到），“un”强调，记忆为“直到...为止”。例如：Wait until tomorrow（等到明天）。
通常用于时间状语从句或介词短语中，表示动作或状态的持续。适用于正式和非正式场合。
All listed words rhyme with the ending /ɪl/ of 'until'. Note that words beginning with 'un-' like 'uncle' (/'ʌŋkəl/) and 'unit' (/'juːnɪt/) share the initial spelling but sound different.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.