無師自通 wú shī zì tōng

DEFINITIONS

  1. self-taught
  2. to learn without a teacher (idiom)

CHARACTERS

無 wú negative, no, not; lack, have no
師 shī teacher, master, specialist; multitude, troops
自 zì
HSK 3
self, private, personal; from
通 tōng
HSK 4
pass through, common, communicate