夸大口

Traditional (Taiwan): 誇大口

kuādàkǒu ㄎㄨㄚ ㄉㄚˋ ㄎㄡˇ

    • to brag and exaggerate
    • to talk big

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
boast a big mouth
Meaning
To brag and exaggerate; a variant of 夸海口.

Sources