YOU SAID:

I tried putting the trophy into the suitcase but it wouldn't fit because it was too big

INTO JAPANESE

私はトロフィーをスーツケースに入れてみましたが、大きすぎたので合わないでしょう

BACK INTO ENGLISH

I put the trophy in my suitcase, but it was too big to fit.

INTO JAPANESE

私はトロフィーをスーツケースに入れましたが、大きすぎて収まりません。

BACK INTO ENGLISH

I put the trophy in my suitcase, but it was too big to fit.