t'assurer que

to make sure that; to assure you that

→ te

phrase Rare #24,300

to make sure that; to assure you that With reflexive t'assurer, it usually means “to make sure that.” In je t'assure que, it means “I assure you that.”

FR: Tu dois t'assurer que la porte est bien fermée.

EN: You have to make sure that the door is properly closed.

Je peux t'assurer que tu as tort.

I can assure you that you're wrong.

Tu dois t'assurer que je continue à boire cette potion.

You have to make sure I keep drinking this potion.

— Harry Potter et le Prince de sang-mêlé (2009)

Je te prie de t'assurer que ta ceinture est attachée.

Please make sure your seat belt is fastened.

Tu ferais bien de t'assurer que c'est vrai.

You’d better make sure it’s true.