hú​li​wěi​ba

telltale sign

狐狸尾巴 hú​li​wěi​ba
telltale sign idiom
a visible sign of evil intentions or evidence that reveals a person's true villainous nature
fox's tail noun
the literal tail of a fox

Frequency

Movie subtitles
0.330 per million appears in 0% of films
Written text
0.227 per million

Sources

Definitions
CC-CEDICT