YOU SAID:

My cousins are happy screaming as they wrestle with my brothers.

INTO JAPANESE

彼らが私の兄弟と格闘するとき、私のいとこは幸せな悲鳴をあげています。

BACK INTO ENGLISH

My cousin is screaming happily when they struggle with my brother.

INTO JAPANESE

私のいとこは私の兄と闘うとき、幸せに叫んでいます。

BACK INTO ENGLISH

My cousin is crying happily when he fights with my brother.

INTO JAPANESE

兄と戦うとき、いとこはうれしそうに泣いている。

BACK INTO ENGLISH

When I fight my brother, my cousin is crying happily.

INTO JAPANESE

兄と戦うと、いとこはうれしそうに泣いている。

BACK INTO ENGLISH

When I fight my brother, my cousin is crying happily.