YOU SAID:

dont lick a gift horse in the mouth

INTO JAPANESE

プレゼントの馬の口をなめるな

BACK INTO ENGLISH

Don't lick the horse's mouth as a gift.

INTO JAPANESE

プレゼントとして馬の口をなめないでください。

BACK INTO ENGLISH

Do not lick the horse's mouth as a gift.

INTO JAPANESE

贈り物として馬の口をなめないでください。

BACK INTO ENGLISH

Do not lick the horse's mouth as a gift.