YOU SAID:

my little brother is an annoying brat who doesn't know when to shut up

INTO JAPANESE

私の弟はいつ黙るのかわからない迷惑なガキです

BACK INTO ENGLISH

My brother is an annoying kid who doesn't know when to shut up

INTO JAPANESE

兄はいつ黙るのかわからない迷惑な子供

BACK INTO ENGLISH

Annoying child who doesn't know when his brother will shut up

INTO JAPANESE

兄が黙る時期がわからない迷惑な子

BACK INTO ENGLISH

Annoying child who does not know when his brother will be silent

INTO JAPANESE

弟が沈黙する時期を知らない迷惑な子

BACK INTO ENGLISH

Annoying child who does not know when his brother is silent

INTO JAPANESE

弟が黙っているとわからない迷惑な子

BACK INTO ENGLISH

Annoying child who does not know if his brother is silent

INTO JAPANESE

弟が黙っているかわからない迷惑な子

BACK INTO ENGLISH

Annoying child who does not know if his brother is silent