yán​qīng​xíng​zhuó

impeccable in words but foul in deeds

言清行浊 言清行濁 yán​qīng​xíng​zhuó
impeccable in words but foul in deeds
Talks in a noble and lofty way but behaves in a mean or despicable manner; used to describe someone whose noble words do not match their poor conduct.

Frequency

Written text
0.002 per million

Sources

Frequency data
BCC Corpus (BLCU)