build (one's) hopes on (someone or something)(redirected from building their hopes on)
build (one's) hopes on (someone or something)
To have expectations that are tied to the success, performance, etc., of a particular person or thing. Why are we building our hopes on him when we know he's not popular enough to defeat the incumbent? I had built my hopes on this promotion and was crushed when I didn't get it.
build one's hopes on someone or something
to make plans or have aspirations based on someone or something. I have built my hopes on making a success of this business. I built my hopes on John's presidency.