发神经 fā shén jīng

DEFINITIONS

  1. (coll.) to go crazy
  2. to lose it
  3. demented
  4. unhinged

CHARACTERS

发 fā
HSK 3
issue, dispatch, send out; hair
神 shén
HSK 5
spirit, god, supernatural being
经 jīng
HSK 2
classic works; pass through