up alley(redirected from be up alley)
(right) up (one's) alley
Ideally suited to one's interests. Anna loves watching movies, so I'm sure she'll go to the film festival with you—that's right up her alley.
up (one's) alley
Suited to one's interests. I really like Romantic poetry, so this class on John Keats is right up my alley. I'm sure Dave can fix your car—mechanical things like that are really up his alley.
up (one's) alleyInformal
Compatible with one's interests or qualifications: an assignment that is right up your alley.