betray somebody's trust

The one who betrayed her trust and she never wants to see again.

How could she believe him if he betrayed her trust in such a way?

"Does he really think he's betrayed your trust, just because I've come home a bit late?"

He never once broke his word or betrayed a friend's trust.

Only we can call it down, and both of us would rather die than betray our trust.

Still, it might be time to betray my parents' trust.

I would never betray my country's trust in me to the enemy.

No wonder he was going to divorce me: I had betrayed his trust.

"We won't give him another chance to betray our trust."

The men were killed after betraying their trust with members of the gang.