dǎ zhǒng liǎn chōng pàng zi

ㄉㄚˇ ㄓㄨㄥˇ ㄌㄧㄢˇ ㄔㄨㄥㄆㄤˋ ㄗ˙

Idiom

1lit. to swell one's face up by slapping it to look imposing (idiom); to seek to impress by feigning more than one's abilities