心拙口笨 xīn zhuō kǒu bèn

DEFINITIONS

  1. dull-witted and tongue-tied

CHARACTERS

心 xīn heart; mind, intelligence; soul
拙 zhuō stupid, clumsy, crude; convention
口 kǒu mouth; open end; entrance, gate
笨 bèn foolish, stupid, dull; awkward