by twos and threes
1. 三三两两
The students are coming into the classroom by twos and threes.
学生们正三三两两地走进教室。
习惯用语be two1.■不和, 合不来by twos (=two and two; two by two)1.■两个两个地, 成双成对地by twos and threes1.■三三两两地, 零星地in two1.■(分成)两半, 分开, 隔开in twos1.■[口]立刻, 马上, 倾刻间It takes two to make a quarrel.1.■[谚]孤掌难鸣。one or two1.■一两个, 几个put two and two together1.■根据现有的事实或材料作出结论Two and two make four.1.■二加二等于四; 非常清楚[明显]。two by four1.■[美口]小的, 狭窄的, 微不足道的Two can play at that game.1.■[口]这一套你会我也会。Two is company, but three is none.1.■[谚] 二人成伴, 三人不欢。two of a kidney1.■两个想法相同的人Two of a trade never agree.1.■[谚]同行是冤家。two or three1.■两三个, 少数的two upon ten1.■把眼睛睁大点(以防别人偷窃)When two ride on one horse, one must sit behind.1.■[谚]两人骑一匹马, 总得有一个坐在后面。