YOU SAID:
My dog is locked in a cage with my brother.
INTO JAPANESE
私の犬は私の兄と一緒にケージに閉じ込められています。
BACK INTO ENGLISH
My dog is caught in my cage with my older brother.
INTO JAPANESE
私の犬は私の兄と一緒に私のケージに捕らえられています。
BACK INTO ENGLISH
My dog is caught in my cage with my older brother.
Okay, I get it, you like Translation Party.