YOU SAID:

The trunk won't fit in the car, because it is too big.

INTO JAPANESE

トランクが大きすぎるため、車に収まりません。

BACK INTO ENGLISH

The trunk is too big to fit in the car.

INTO JAPANESE

トランクが大きすぎて車に収まりません。

BACK INTO ENGLISH

The trunk is too big to fit in the car.