under one's wing

Prepositional phrase

idiomatic

(idiomatic) Under one's protection, sponsorship, or tutelage.

Japanese Meaning

誰かの保護や後援の下にある状態 / 誰かからの指導や庇護を受ける状態

A good mentor takes newcomers under one's wing to help them grow.

良い指導者は新人を庇護して指導し、彼らの成長を助ける。

Sense（1）

(idiomatic) Under one's protection, sponsorship, or tutelage.

He took the promising student under his wing.