の辛抱だ

just have to be patient

→ の
phrase Rare #30,181
just have to be patient Often follows a length of time or an event, meaning that you only need to endure until then.
JA: あと一週間の辛抱だ。
EN: You just have to hang in there for one more week.

もう少しの辛抱だ。

Just a little longer.

それまでの辛抱だ

Just hang in there until then.

— パディントン2 (2017)

もうちょっとの辛抱だ

Just hang in there a little longer.

— もののけ姫 (1997)

少しの間の辛抱だよ

Just hang in there a little longer.

— 恋する惑星 (1994)