muhyoro hamyeonyo
to cancel, to negate, to void
annuler (de manière formelle) ; invalider
그 결정을 무효로 하면요, 문제가 생겨요.
geu gyeoljeong-eul muhyoro hamyeon-yo, munje-ga saenggyeoyo.
If that decision is invalidated, problems arise.
More words starting with 무