笨嘴拙舌 bèn zuǐ zhuō shé

DEFINITIONS

  1. clumsy in speech
  2. poor speaker

CHARACTERS

笨 bèn foolish, stupid, dull; awkward
嘴 zuǐ mouth, lips
拙 zhuō stupid, clumsy, crude; convention
舌 shé tongue; clapper of bell; KangXi radical 135