YOU SAID:

Only bad thing is fun.

INTO JAPANESE

悪いのは楽しいだけです。

BACK INTO ENGLISH

Bad is just fun.

INTO JAPANESE

悪いことはただの楽しみです。

BACK INTO ENGLISH

Bad things are just fun.

INTO JAPANESE

悪いことはただ楽しいです。

BACK INTO ENGLISH

Bad things are just fun.