US: /ənˈɫɛs/
UK: /ʌnlˈɛs/

English Vietnamese dictionary

unless /ən'les/
  • liên từ
    • trừ phi, trừ khi, nếu không
      • I shall not go unless the weather is fine: tôi sẽ không đi trừ khi trời đẹp
      • unless you try, you will never succeed: nếu không cố gắng, anh sẽ chẳng bao giờ thành công
      • unless and until: cho đến lúc nào mà

Advanced English dictionary

1 used to say that sth can only happen or be true in a particular situation: You won't get paid for time off unless you have a doctor's note. + I won't tell them-not unless you say I can. + Unless I'm mistaken, she was back at work yesterday. + He hasn't got any hobbies-unless you call watching TV a hobby.
2 used to give the only situation in which sth will not happen or be true: I sleep with the window open unless it's really cold. + Unless something unexpected happens, I'll see you tomorrow. + Have a cup of tea-unless you'd prefer a cold drink?
Help Note: Unless is used to talk about a situation that could happen, or something that could be true, in the future. If you know that something has not happened or that sth is not true, use if ...not: If you weren't always in such a hurry (= but you are), your work would be much better. + Your work would be much better unless you were always in such a hurry.

Concise English dictionary

un·less || ən'les
conj. not until, not before; precluding, barring, except; aside from