?精通世故
Know What O'clock It Is(精通世故), 此释义来源于网络辞典。
?处事机警
处事机警 know the time of day; know what o'clock it is; know what's what 炊事机械 cooking machinery .
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。