unless and until
直到…才
I shall go unless it rains.
如果不下雨我就去。
unless you have a photographic memory, repetition is vital.
除非你记忆力惊人，否则重复是非常必要的。
This baby seldom cries unless he is tired.
这个婴儿除非在疲倦时很少哭。
Nothing will come out of it unless disaster.
这种事除非引起灾祸之外不会有什么结果。
Unless you go at once you will be late.
如果你不马上走，就会迟到的。
You will fail unless you work hard.
如果你不积极工作, 就会失败。
Say nothing unless you're compelled to.
除非强迫你，否则什么也别说。
a communication system is of no value unless there is a critical mass of users.
除非有足够数量的使用者，否则通讯系统就没有价值。
language is not insulting unless it is intended to show contempt or disesteem.
除非被有意用来表示轻视或不敬，语言是没有侮辱性的。
There's no use in manufacturing an item unless you can merchandise it.
除非能够销售得出, 否则生产产品就没有价值。
The writing is on the wall for the club unless they can find ￡20 000.
这家俱乐部就要大难临头了， 除非他们能筹到2万英镑。
erroneous unless you RESUME from a Jobname.DB file for this substep.
” 请问这是什么原因，望大家路过看过指点一下！
Unless you're an avid spelunker, or a troglodyte, the answer is probably not too often.
除非你是一名洞穴探索爱好者或者一名穴居人。
"Unless we get more finance, we'll have to close the branch offices."
"如果得不到更多的资金,我们就不得不关闭所有的分支办事处。"
I shall go there tomorrow unless I'm too busy.
如果我不太忙，明天将到那儿去。
They wouldn't ask for help unless it were a matter of life and death.
除非是生死攸关的事情, 否则他们不会请求别人帮助。
They face certain death unless they can be rescued today.
他们除非今天获救, 否则必死无疑。
You won't hear anything unless you roll the tape ahead.
除非你把录音带往前转，否则你是不会听到任何东西的
This is not a hobby you should go in for unless you have plenty of money.
这不是非有不可的爱好, 除非你有大量的钱。
Let's have dinner out — unless you are too tired.
咱们出去吃饭吧——除非你太累了。
Some lawmakers oppose the measure unless there are conditions attached.
一些议员反对这项措施，除非附加条件。
来源: This month VOA Special EnglishHe couldn't unless — unless — the terrible thought leaped into her mind.
那个可怕的想法猛地在她心中出现。
来源: Gone with the WindNot unless you want the matinee.
没有，除非你要日场。
来源: Crazy English Situational Conversation Real SkillsUnless my suffering is your nourishment?
除非我的苦难是你的营养品？
来源: Rick and Morty Season 3 (Bilingual)Normal people tend to forget this process unless and until they are reminded of it.
衰老的过程，不经提起，正常人容易忘记；一经提醒，才会记起。
来源: New Concept English. British Edition. Book Four (Translation)Not unless he put it hack after.
那只能是他又把枪放回去了。
来源: Loving Vincent: The Mystery of the Starry NightExperts confirmed that a puma will not attack a human being unless it is cornered.
专家证实，美洲狮除非被逼得走投无路，否则是决不会伤人的。
来源: New Concept English: Vocabulary On-the-Go, Book Three.Unless you want to watch the video of her colonoscopy.
除非你想看她的结肠镜检查录像。
来源: The Big Bang Theory Season 7The situation will continue unless humans stop hunting them for their fur and bones.
除非人类不再为获得皮毛和虎骨而杀戮它们，否则它们所面临的危险处境不会发生转变。
来源: Yilin Edition Oxford Junior English (Grade 9, Volume 1)I don't think it would be a Willy Wonka film unless there were Oompa Loompas.
我觉得，如果没有奥帕伦帕人，就不会有《旺卡》这部电影。
来源: Selected Film and Television News探索常用高频词汇