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qui vive

noun
🔊/ˌkiː ˈviːv/
🔊/ˌkiː ˈviːv/
Word Originlate 16th cent.: from French, literally ‘(long) live who?’, i.e. ‘on whose side are you?’, used as a sentry's challenge.
Idioms
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Idioms
on the qui vive
  1. paying close attention to a situation, in case something happens密切注意着；警惕
    • He's always on the qui vive for a business opportunity.他总是密切关注商机。🔊🔊