wài​chuánwài​zhuàn

divulge

外传 (外傳) wài​chuán frequency
divulge verb
to reveal a secret, confidential information, or specialized skills to people outside a specific group

This secret family recipe is never shared with outsiders.

rumor verb
to be circulated as news or rumored among the public

It is rumored that he is about to resign from the position of president.

外传 (外傳) wài​zhuàn
unofficial biography noun
unofficial biography (as opposed to official dynastic biography)

He wrote an unofficial biography about that famous general.

Frequency

Movie subtitles
1.25 per million appears in 1% of films
Written text
3.02 per million

Sources

Definitions
CC-CEDICT