to be the type of thing that you are interested in or that you enjoy doing

Carpentry isn't really up my street. I'd rather pay someone else to do it. 木匠活儿我做不来。我宁愿花钱请人来做。

I have a little job for you which is right (= exactly) up your street. 我有点儿非常适合你干的活儿给你做。