上不了台面

Traditional (Taiwan): 上不了檯面

Traditional (Hong Kong): 上不了枱面

shàngbùliǎotáimiàn ㄕㄤˋ ㄅㄨˋ ㄌㄧㄠˇ ㄊㄞˊ ㄇㄧㄢˋ

    • too disreputable, crude or inferior to be presented publicly or taken seriously

Character by character

Sources