YOU SAID:

Don't look a gift horse in the mouth!

INTO JAPANESE

口の中で贈り物の馬を見ないでください！

BACK INTO ENGLISH

Don't look at the gift horse in your mouth!

INTO JAPANESE

あなたの口の中の贈り物の馬を見ないでください！

BACK INTO ENGLISH

Don't look at the gift horse in your mouth!