一见如故

yī jiàn rú gù

to hit it off at once

Character by character

一yī
one

见jiàn
meeting

如rú
like

故gù
old friends

我们俩一见如故，聊了一个晚上。

We hit it off immediately and talked all evening.

Tone: positive (praise).

For instant friendship, not love; compare 一见钟情.

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