build (one's) hopes on (someone or something)

(redirected from build 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.
See also: build, hope, on