YOU SAID:
I solve rubik's cubes for fun.
INTO JAPANESE
趣味でルービックキューブを解いています。
BACK INTO ENGLISH
I enjoy solving Rubik's Cubes.
INTO JAPANESE
ルービックキューブを解くのが楽しいです。
BACK INTO ENGLISH
I enjoy solving Rubik's Cubes.
That didn't even make that much sense in English.