1560s, from Middle French vigilance (16c.), from Latin vigilantia "wakefulness, watchfulness, attention," from vigil "watchful, awake" (see vigil). Related: Vigilancy (1530s).
雙語例句
1. Drugs are a problem that requires constant vigilance.
需要對毒品問題長期保持警惕。
來自柯林斯例句
2. The birds cannot afford to relax their vigilance against predators.
鳥兒不敢放松對捕食者的警戒.
來自《簡明英漢詞典》
3. Never relax your vigilance while you live in peace.
你們要居安思危.
來自《簡明英漢詞典》
4. Constant vigilance is necessary in order to avoid accidents.