YOU SAID:
The can can't hold to much water.
INTO JAPANESE
缶は多くの水を保持することはできません。
BACK INTO ENGLISH
The can cannot hold a lot of water.
INTO JAPANESE
缶はたくさんの水を入れることができません。
BACK INTO ENGLISH
The can cannot hold a lot of water.
That didn't even make that much sense in English.