trust (one) to (do something)
1. To have faith that one will perform a particular action. Now that you know what's at stake, I trust you to make the right decision. Can we trust Sarah to close the deal with FlemCo?
2. It is typical or predictable of one to engage in some action or activity. Trust John to make a big deal out of something so trivial! This tax plan is really outrageous. Trust the government to favor big business over middle-class citizens, huh?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
trust someone or something to someone
to leave someone or something in the possession of someone whom you assume will take good care of someone or something. Can I trust my little Jimmy to you? I am perfectly comfortable trusting this money to you.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To depend on something: I'd rather plan my financial future than trust to luck.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.