YOU SAID:

my sister is so nosy but gets so defensive when I try to see what she is up to or doing

INTO JAPANESE

私の妹はとてもおせっかいですが、私が彼女が何をしているのか、何をしているのかを見ようとすると、とても防御的になります

BACK INTO ENGLISH

My sister is very noisy, but when I try to see what she is doing and what she is doing, it becomes very defensive

INTO JAPANESE

姉はとてもうるさいですが、彼女が何をしているのか、何をしているのかを見ようとすると、とても防御的になります

BACK INTO ENGLISH

My sister is very noisy, but when I try to see what she is doing and what she is doing, she becomes very defensive.

INTO JAPANESE

私の妹はとてもうるさいですが、私が彼女が何をしているのか、そして彼女が何をしているのかを見ようとすると、彼女は非常に防御的になります。

BACK INTO ENGLISH

My sister is very noisy, but when I try to see what she is doing and what she is doing, she becomes very defensive.