YOU SAID:
I can't breathe underwater unless I want, than I can inhale water all day.
INTO JAPANESE
私は水を一日中吸うことができるよりも、私が欲しいのでなければ水中で呼吸することはできません。
BACK INTO ENGLISH
I can not breathe underwater unless I want it than I can drink the water all day.
INTO JAPANESE
私は水を一日中飲むことができるよりも、私が欲しいのでなければ水中で呼吸できません。
BACK INTO ENGLISH
I can not breathe underwater unless I want it than I can drink the water all day.
That didn't even make that much sense in English.