unless
英 [?n'les]
美[?n'l?s]
- conj. 除非，如果不
- prep. 除…之外
CET4TEM4考研CET6中高頻詞核心詞匯
中文詞源
unless 除非
來自短語on less (than), 在少于的情況下，后由于該短語的否定含義，介詞on被改寫成了un.詞義演變比較despite, in spite of .
英文詞源
- 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].
雙語例句
- 1. The targets would not be achieved unless other departments showed equal commitment.
- 除非其他部門同樣努力，否則這些目標(biāo)無法達成。
來自柯林斯例句
- 2. Training is worthless unless there is proof that it works.
- 除非能證明訓(xùn)練有效，否則就是白搭。
來自柯林斯例句
- 3. The South African mailboat arrived on Friday mornings unless bad weather intervened.
- 除非受惡劣天氣干擾，南非郵船一般在星期五上午抵達。
來自柯林斯例句
- 4. All bitches should be spayed unless being used for breeding.
- 除非是用作種犬，所有的母犬都應(yīng)摘除卵巢。
來自柯林斯例句
- 5. I tend to forget things unless I mark them down.
- 除非把事情記下來，否則我常常會忘事。
來自柯林斯例句