YOU SAID:

I've seen tougher, killed 'em too.

INTO JAPANESE

私はもっとタフで殺されたのを見てきました。

BACK INTO ENGLISH

I've seen him killed more tough.

INTO JAPANESE

彼がもっとタフに殺されたのを見た。

BACK INTO ENGLISH

I saw him killed tougher.

INTO JAPANESE

私は彼がより激しく殺されたのを見た。

BACK INTO ENGLISH

I saw him killed more violently.

INTO JAPANESE

私は彼がもっと激しく殺されたのを見た。

BACK INTO ENGLISH

I saw him killed more violently.