Gradually; in the course of frequent contact or interaction; little by little; over time.
小明和小红是邻居，一来二去，他们就成了很好的朋友。
Xiao Ming and Xiao Hong were neighbors; in the course of frequent contact, they became very good friends.
Era:
Early Modern
Frequency:
Synonym:
Story:
Grandma Jia was chatting with Li Wan and her son.
Jia Baoyu came in, carrying a cricket cage.
Grandma Jia criticized him for not studying, while at the same time praising Jia Lan for being promising, saying he would surely become the family's pillar in the future.
Li Wan started to shed tears, remembering Jia Zhu.
Seeing Baoyu there, she advised that children should be praised often, because "yi lai er qu" (over time, through such interactions), children will make progress.
Next Idiom