首页英语词典unlessunless的意思

unless怎么读？

unless

英 [ʌn'les] 美[ən'lɛs]

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近义词worthless

conj. 除非，如果不
prep. 除…之外

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中文词源

unless 除非

来自短语on less (than), 在少于的情况下，后由于该短语的否定含义，介词on被改写成了un.词义演变比较despite, in spite of .

英文词源

unless (conj.): mid-15c., earlier onlesse, from (not) on lesse (than) "(not) on a less compelling condition (than);" see less. The first syllable originally on, but the negative connotation and the lack of stress changed it to un-. "Except could once be used as a synonym for unless, but the words have now drawn entirely apart" [Century Dictionary].

双语例句

1. The targets would not be achieved unless other departments showed equal commitment.: 除非其他部门同样努力，否则这些目标无法达成。

2. Training is worthless unless there is proof that it works.: 除非能证明训练有效，否则就是白搭。

3. The South African mailboat arrived on Friday mornings unless bad weather intervened.: 除非受恶劣天气干扰，南非邮船一般在星期五上午抵达。

4. All bitches should be spayed unless being used for breeding.: 除非是用作种犬，所有的母犬都应摘除卵巢。

5. I tend to forget things unless I mark them down.: 除非把事情记下来，否则我常常会忘事。