up one's alley
down one's alley

"That certainly sounds like it's right up the counselor's alley."

"This mission is so right up my alley, I can't wait to get started!"

This sort of work was right up the Saint's alley, in his opinion.

Battle, you're sure talking right up my alley when you say that.

I would guess this might be more up your alley.

I'd be willing to bet it's right up your alley.

And there was a guy who, according to his résumé, should have been right up my alley.

But the music's heavy, which is right up my alley.

It's right up my alley because I need to do something that's very physically active.

I really enjoy Sanctum, and this seems similar enough to be right up my alley.