알려야 해

must tell

→ 알리다
phrase Rare #16,701
must tell A casual way to say that someone must tell or inform someone. The person being told is often marked with 에게 or 한테.
KO: 그 소식을 가족에게 알려야 해.
EN: I have to tell my family the news.

이걸 알려야 해

I need to let them know this.

— 아바타: 물의 길 (2022)

가서 마법사가 사기꾼 이란 사실을 알려야 해.

We need to go tell them that the wizard is a fraud.

— 위키드: 포 굿 (2025)

살인 이란 걸 알려야 해

I have to tell them it was murder.

— 필사의 추적 (1981)

알려야 해

I have to let them know.

— 하얀 리본 (2009)