right up one’s 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. This course seemed right up my alley when I signed up for it, but it ended up being dreadfully boring.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(right) up one’s alley
mod. exactly one’s kind of thing; exactly what one is best equipped to do. It’s not exactly up my alley, but I’ll try it.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.