trust in (someone or something)
To believe, have faith in, or depend on someone or something. It's hard to trust in you after everything that has happened. We all trust in your decision, whatever it may be.
trust in someone or something
to believe in someone or something. Trust in me. I know what I am saying. Can I trust in the figures in this report?
trust in
v. To depend on someone or something: The preacher told the congregation to trust in God.