keep one's eyes peeled

动词 v.
中文释义

英文释义

动词 v.
  1. To be on the alert, to be watchful. idiomatic,intransitive
    — And directly below is our Mesozoic jungle river -- where, if you are lucky, you just may catch a glimpse of a very rare carnivore. Keep your eyes peeled, everyone!

词形变化

keeps one's eyes peeled present,singular,third-person keeping one's eyes peeled participle,present kept one's eyes peeled participle,past kept one's eyes peeled past

词源

US, 19th century. Peeled probably refers to keeping one's eyelids retracted.
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