无师自通 wú shī zì tōng

DEFINITIONS

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

CHARACTERS

无 wú
HSK 4
negative, no, not; KangXi radical 71
师 shī
HSK 1
teacher, master, specialist
自 zì
HSK 3
self, private, personal; from
通 tōng
HSK 4
pass through, common, communicate