wài zhuàn
unofficial biography (as opposed to official dynastic biography)
Shèng jīng wài zhuàn
Apocrypha
biography external to the classics
jiā chǒu bù kě wài chuán
lit. family shames must not be spread abroad (idiom); fig. don't wash your dirty linen in public
jiā chǒu bù kě wài chuán , liú yán qiē mò qīng xìn
Don't spread abroad the shame of the family, don't believe rumors lightly (common expression); Don't wash your dirty linen in public, don't listen to others' gossip.
wài chuán
to tell others (a secret)
to divulge to an outsider
to be rumored
Shèng jīng Wài zhuàn
Apocrypha
biography external to the classics