Tiānshàng xiàyǔ, dìxia liú; liǎngkǒur dǎjià bù jìchóu.

天上下雨, 地下流, 兩口兒打架不記仇。

Lit [Just as it's natural that] water flows away on the ground [after it] rains; [so it's equally natural that] “we two” [i.e., husband and wife] bear no grudges [against each other after they/we've] had a fight

Note [Rhyme; note: liǎngkǒu is a colloquial expression meaning “we two; both of us”; see also fūqī wú gé xiǔ zhī chóu above.]

Topics colloquial expression COUPLES FIGHTING GRUDGES HUSBANDS liǎngkǒu rhyme WIVES