目不识丁 mù bù shí dīng

DEFINITIONS

  1. lit. the eye cannot recognize the letter T (idiom); totally illiterate

CHARACTERS

目 mù eye; look, see; division, topic
不 bù no, not; un-; negative prefix
识 shí recognize, understand, know
丁 dīng male adult; robust, vigorous; 4th heavenly stem