by twos and threes
Three three four, a Chinese idiom, Pinyin is s ā ns ā ns ì s ì, which means you are just two or three; it describes a small number of people. From dream ode.
The origin of Idioms
Wang Yanshou's Meng Fu in the Han Dynasty: "Er Nai is three, three, four and four. He follows each other around his feet and experiences seclusion."
Analysis of Idioms
Synonyms: three three five five, three three two two
Idiom usage
Used as an adverbial; used colloquially.
by twos and threes
lift one 's feet very high and put them down very slowly - jiǎo gāo bù dī
one 's eyes burn and one 's ears glow - yǎn xíng ěr rè
pay attention to important points - dà chù zhuó yǎn