bái​guī​zhī​diàn

a flaw in a piece of white jade

白圭之玷 bái​guī​zhī​diàn
a flaw in a piece of white jade
A flaw in an otherwise perfect piece of white jade; used as a metaphor for a minor defect in something or someone that is otherwise excellent, specifically referring to damage caused by careless speech.

Frequency

Written text
0.002 per million

Sources

Frequency data
BCC Corpus (BLCU)