YOU SAID:

We don't know how long we're gonna be stuck here.

INTO JAPANESE

どれくらいここに閉じ込められるかわかりません。

BACK INTO ENGLISH

I don't know how long I can be trapped here.

INTO JAPANESE

いつまでここに閉じ込められるかわかりません。

BACK INTO ENGLISH

I don't know how long I can be trapped here.