YOU SAID:

My brother peed his pants. I had to clean it up.

INTO JAPANESE

弟はズボンにおしっこをした。私はそれをきれいにしなければならなかった。

BACK INTO ENGLISH

My brother peed on his pants. I had to clean it.

INTO JAPANESE

弟はズボンにおしっこをした。私はそれをきれいにしなければならなかった。

BACK INTO ENGLISH

My brother peed on his pants. I had to clean it.