unless
美音:[ən´les
]
英音:[ən´les
]
conj.如果不,除非
难易程度:
unless为高中词汇
词频:916
近义词, 同义词
unless
/ən'les; ən`lɛs/
conj if...not; except if or except when 如果不; 除非; 除非在...的时候
*You'll fail in French unless you work harder. 你要是不再加把劲儿, 法语就考不及格了.
* Unless England improve their game they're going to lose the match. 英格兰队如果不改进打法, 就会输掉这场比赛.
* I wouldn't be saying this unless I were sure of the facts. 要是我对这些事情没有把握, 我就不说这话了.
* Come at
8 o'clock unless I phone, eg to tell you a different time. 请8点钟来, 如果我不打电话 的话.
* I sleep with the window open unless it`s really cold. 我总是开着窗户睡觉, 除非天气非常冷才关上窗户.
NOTE ON USAGE 用法
*Unless and if...not can often be used in the same way *unless和if...not的用法常常是相同的
*Follow the green signs unless you have goods to declare/if you haven't any goods to declare. 未携须申报货物者, 沿绿色标记通行. Unless cannot be used when referring to the result of something not happening and is, therefore, not used in `imaginary' conditional sentences *unless不可用以指尚未发生的事情之结果, 因而不可用于｀假想的＇条件句中
*We would have had a lovely holiday if it hadn't rained (NOT unless it had rained) every day. 要不是天天下雨的话, 我们的假日就过得痛快了. （本句中不可用unless it had rained.）
* I'll be sorry if she doesn't come (NOT unless she comes) to the party. 万一她不来参加聚会, 我就感到太遗憾了. （本句中不可用unless she comes.） Unless(not if...not) is often used to introduce an afterthought,ie something added to the main statement *unless（并非if...not）常用以引导出补充前言的话, 即是对刚说过的话想到要加些补充
*She hasn't got any hobbies unless you call watching TV a hobby. 她没有任何嗜好--除非把看电视也算作嗜好的话.
* Have a cup of tea unless you'd prefer a cold drink. 喝一杯茶吧--除非你想喝冷饮.
conj if...not; except if or except when 如果不; 除非; 除非在...的时候
*You'll fail in French unless you work harder. 你要是不再加把劲儿, 法语就考不及格了.
* Unless England improve their game they're going to lose the match. 英格兰队如果不改进打法, 就会输掉这场比赛.
* I wouldn't be saying this unless I were sure of the facts. 要是我对这些事情没有把握, 我就不说这话了.
* Come at
8 o'clock unless I phone, eg to tell you a different time. 请8点钟来, 如果我不打电话 的话.
* I sleep with the window open unless it`s really cold. 我总是开着窗户睡觉, 除非天气非常冷才关上窗户.
NOTE ON USAGE 用法
*Unless and if...not can often be used in the same way *unless和if...not的用法常常是相同的
*Follow the green signs unless you have goods to declare/if you haven't any goods to declare. 未携须申报货物者, 沿绿色标记通行. Unless cannot be used when referring to the result of something not happening and is, therefore, not used in `imaginary' conditional sentences *unless不可用以指尚未发生的事情之结果, 因而不可用于｀假想的＇条件句中
*We would have had a lovely holiday if it hadn't rained (NOT unless it had rained) every day. 要不是天天下雨的话, 我们的假日就过得痛快了. （本句中不可用unless it had rained.）
* I'll be sorry if she doesn't come (NOT unless she comes) to the party. 万一她不来参加聚会, 我就感到太遗憾了. （本句中不可用unless she comes.） Unless(not if...not) is often used to introduce an afterthought,ie something added to the main statement *unless（并非if...not）常用以引导出补充前言的话, 即是对刚说过的话想到要加些补充
*She hasn't got any hobbies unless you call watching TV a hobby. 她没有任何嗜好--除非把看电视也算作嗜好的话.
* Have a cup of tea unless you'd prefer a cold drink. 喝一杯茶吧--除非你想喝冷饮.
unless
conj
[Date: 1400-1500; Origin: on less than 'on a lower condition than' (1400-1500)]
used to say that something will happen or be true if something else does not happen or is not true
Unless some extra money is found, the theatre will close.
I think you should complain - unless, of course, you are happy with the way things are.
He won't go to sleep unless you tell him a story.
I can't leave her unless I know she's all right.
see usage noteexcept1
not unless
only if
'Will you go with her?' 'Not unless she wants me to.'
WORD CHOICE: unless, if ... not, in case, or (else)
Use unless to say that something will happen or be true if something else does not happen or is not true : Unless they get protection, they will not testify.
!! Do not use the future tense after unless : I won't go unless you go (NOT unless you will go).
!! Do not say 'unless if' : Don't call him unless it's urgent (NOT unless if it's urgent).
Use if ... not when you know that something did not or will not happen : If he had not tripped, he would have won (=but he didn't win). |: I would go out if it wasn't raining (=but it is raining, so I am not going out).
Use in case when talking about something that is or should be done because something might happen : Take a sweater in case you get cold (NOT unless you get cold).
Use or or or else to say what bad thing will definitely happen if something else does not happen : You'd better go, or else you'll miss the train (NOT unless you miss the train).
[Date: 1400-1500; Origin: on less than 'on a lower condition than' (1400-1500)]
used to say that something will happen or be true if something else does not happen or is not true
Unless some extra money is found, the theatre will close.
I think you should complain - unless, of course, you are happy with the way things are.
He won't go to sleep unless you tell him a story.
I can't leave her unless I know she's all right.
see usage noteexcept1
not unless
only if
'Will you go with her?' 'Not unless she wants me to.'
WORD CHOICE: unless, if ... not, in case, or (else)
Use unless to say that something will happen or be true if something else does not happen or is not true : Unless they get protection, they will not testify.
!! Do not use the future tense after unless : I won't go unless you go (NOT unless you will go).
!! Do not say 'unless if' : Don't call him unless it's urgent (NOT unless if it's urgent).
Use if ... not when you know that something did not or will not happen : If he had not tripped, he would have won (=but he didn't win). |: I would go out if it wasn't raining (=but it is raining, so I am not going out).
Use in case when talking about something that is or should be done because something might happen : Take a sweater in case you get cold (NOT unless you get cold).
Use or or or else to say what bad thing will definitely happen if something else does not happen : You'd better go, or else you'll miss the train (NOT unless you miss the train).
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