배수진이 · 배수진을
a last stand, fighting with no way to retreat
Example
그는 이번 시험에 배수진을 치고 모든 것을 걸었어요.
He burned his bridges and staked everything on this exam.
Word parts
배 back+수 water+진 battle line
Literally 'a battle line with water at its back' — no retreat possible.
Good to know
Set phrase: 배수진을 치다 'to burn one's bridges, make a last stand'.
Related words