YOU SAID:

is big brother watching me?

INTO JAPANESE

お兄さんは私を見ているか。

BACK INTO ENGLISH

Big brother is watching me?

INTO JAPANESE

兄は私を見ているか。

BACK INTO ENGLISH

My brother is watching me?

INTO JAPANESE

私の兄は私を見ては?

BACK INTO ENGLISH

What is my brother is watching me?

INTO JAPANESE

私の兄は私を見ているか。

BACK INTO ENGLISH

My brother is watching me?

INTO JAPANESE

私の兄は私を見ては?

BACK INTO ENGLISH

What is my brother is watching me?

INTO JAPANESE

私の兄は私を見ているか。