xīn​kǒu​bù​yī

insincere

Senses

心口不一 xīn​kǒu​bù​yī insincere

(idiom) heart and mouth at variance; saying one thing while thinking another; being two-faced or hypocritical

References

synonym 言不由衷/言不由衷 → 心口不一/心口不一
synonym 口是心非/口是心非 → 心口不一/心口不一