劍橋詞典?dos and don'ts (also do's and don'ts) rules about actions and activities that people should or should not perform or take part in 規(guī)定，規(guī)則；規(guī)矩 The teacher spent ten minutes explaining all the dos and don'ts in the classroom .. 老師花了十分鐘解釋課堂紀(jì)律。 返回 dos