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。