건곤일척이 · 건곤일척을
staking everything on one throw, an all-or-nothing gamble
Example
두 팀은 결승전에서 건곤일척의 승부를 벌였습니다.
The two teams fought an all-or-nothing battle in the final.
Word parts
건 heaven+곤 earth+일 one+척 throw
Literally 'heaven and earth on one throw of the dice'.
Related words