無緣無故 wú yuán wú gù

DEFINITIONS

  1. no cause, no reason (idiom); completely uncalled for

CHARACTERS

無 wú negative, no, not; lack, have no
緣 yuán hem, margin; reason, cause; karma, fate
無 wú negative, no, not; lack, have no
故 gù
HSK 3
ancient, old; reason, because