신출귀몰이 · 신출귀몰을
appearing and vanishing like a ghost, elusive
Example
그 도둑은 신출귀몰해서 경찰도 잡지 못했어요.
The thief came and went like a ghost, so even the police couldn't catch him.
Word parts
신 spirit+출 appear+귀 ghost+몰 vanish
Literally 'appearing like a spirit, vanishing like a ghost'.
Good to know
Often 신출귀몰하다; the folk hero 홍길동 is the classic example.
Related words