tu sappi

know

ˈs a p . p i → sapere
sapp to know + i 2nd-person singular imperative
verb · 2nd-person singular Rare #42,756
know Used to address one person informally; often introduces something the speaker wants them to know.
IT: Sappi che domani parto.
EN: Know that I’m leaving tomorrow.
Conjugation of sapere
Imperative
SingularPlural
First — sappiamo
Second sappi sappiate
Third sappia sappiano

Sappi solo che ti voglio bene.

Just know that I love you.

— Quando c'era Marnie (2014)

Comunque vada oggi, sappi questo.

Whatever happens today, know this.

— Mercy - Sotto accusa (2026)

Sappi solo che se la passano tutti abbastanza bene.

Just know that everyone is doing pretty well.

— Eternity (2025)

Per ora sappi questo soltanto.

For now, just know this.

Sounds similar to