on one's toes

  1. 警觉的; 准备行动的
    • A policeman has to keep on his toes all the time he's on duty.
      警察在执勤时必须时刻保持警覺。

网络词典

on one's toes

英 Unknown 美 Unknown
Unknown 中文翻译:Unknown
同义词: Unknown

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