N2 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ／です, so there are no forms to conjugate.
腹を決める
harawokimerumake up one's mindN2expression
Example sentences2
ここまで来たら、腹を決めるしかない。
koko made kitara, hara o kimeru shika nai.
Having come this far, there's nothing to do but make up my mind. neutral
そろそろ腹を決める時だと思うよ。
sorosoro hara o kimeru toki da to omou yo.
I think it's about time to make up my mind. casual