devi credermi

you must believe me

→ dovere
phrase Rare #32,750
you must believe me Used to insist that someone accept what you are saying. The negative form, non devi credermi, can mean either “you must not believe me” or “you don’t have to believe me,” depending on context.
IT: Devi credermi, non ti sto mentendo.
EN: You must believe me, I’m not lying to you.

Devi credermi, io voglio che tu sia felice.

You have to believe me, I want you to be happy.

— Viaggio a Tokyo (1953)

Devi credermi, ti prego.

You have to believe me, please.

— Tempo d'estate (1955)

Non devi credermi.

You don't have to believe me.

— La fiamma del peccato (1944)

Devi credermi, non ne so niente.

You have to believe me, I don't know anything about it.

— Hong Kong Express (1994)

Devi credermi.

You have to believe me.

— Non dirlo a nessuno (2006)

Beh, devi credermi.

Well, you have to believe me.

— Tempo d'estate (1955)

Tu non devi credermi.

You must not believe me.