笨口拙舌 bèn kǒu zhuō shé

DEFINITIONS

  1. awkward in speech

CHARACTERS

笨 bèn foolish, stupid, dull; awkward
口 kǒu mouth; open end; entrance, gate
拙 zhuō stupid, clumsy, crude; convention
舌 shé tongue; clapper of bell; KangXi radical 135