In small groups or in pairs; scattered here and there.
三个两个地在一起。形容人数不多。
宋·郭茂倩《乐府诗集》卷四十七引晋人《娇女》诗鱼行不独自，三三两两俱。”宋·辛弃疾《念奴娇·双陆》词袖手旁观初未说，两两三三而已。”
The students came into the classroom in twos and threes.
Learn the next connected idiom: 三三两两 (sān sān liǎng liǎng) → 两败俱伤 (liǎng bài jù shāng)
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