守る

Tomodachi to no yakusoku wa kanarazu mamorimasu.

I always keep my promises with my friends.

Toshokan no naka de wa, rūru o mamotte kudasai.

Please follow the rules inside the library.

Watashitachi wa chikyū no shizen o mamoranakereba narimasen.

We must protect the Earth's nature.

Anzen no tame ni, kōtsū rūru o mamorimashō.

Let's obey traffic rules for safety.

Oya wa itsumo kodomo o mamotte imasu.

Parents always protect their children.

Kono himitsu wa zettai ni mamotte kudasai ne.

Please be sure to keep this secret.