win somebody's trust

You had to win his trust, make sure he hadn't told anyone.

Like the very fact that he had won his mother's trust so quickly.

And her behavior on that first day had done much to win his trust.

Show him the way, win his trust and the love will follow.

At least now, she had begun to win their trust.

It would take a very long time indeed before a strange man could win her trust.

What more must a stranger do to win your trust?

But he said the chief had won his trust in a series of meetings after the election.

Winning the man's trust could only be to her advantage.

Banks have won their clients' trust over the past 100 years.