YOU SAID:

I have a little brother who is an evil snot

INTO JAPANESE

私には邪悪な鼻水である弟がいます

BACK INTO ENGLISH

I have a brother who is an evil runny nose.

INTO JAPANESE

私には邪悪な鼻水である兄弟がいます。

BACK INTO ENGLISH

I have a brother who has a runny nose.

INTO JAPANESE

鼻水が出る兄がいます。

BACK INTO ENGLISH

I have an older brother who has a runny nose.

INTO JAPANESE

鼻水が出る兄がいます。

BACK INTO ENGLISH

I have an older brother who has a runny nose.