YOU SAID:

the defenestration of my dog was awful

INTO JAPANESE

私の犬の除精はひどかった

BACK INTO ENGLISH

my dog's spaying was terrible

INTO JAPANESE

私の犬の避妊手術はひどかった

BACK INTO ENGLISH

my dog was spayed badly

INTO JAPANESE

私の犬はひどい避妊手術を受けました

BACK INTO ENGLISH

my dog was badly spayed

INTO JAPANESE

私の犬はひどく去勢されました

BACK INTO ENGLISH

my dog was severely neutered

INTO JAPANESE

私の犬は重度の去勢手術を受けました

BACK INTO ENGLISH

My dog underwent severe castration surgery

INTO JAPANESE

私の犬は厳しい去勢手術を受けました

BACK INTO ENGLISH

my dog underwent severe neutering

INTO JAPANESE

私の犬は重度の避妊手術を受けました

BACK INTO ENGLISH

my dog was severely spayed

INTO JAPANESE

私の犬は重度の避妊手術を受けました

BACK INTO ENGLISH

my dog was severely spayed