up your alley
US /ʌp jʊər ˈæli/
UK /ʌp jʊər ˈæli/

1.
lo tuyo, tu rollo
well-suited to one's tastes, abilities, or interests
:
•
This new project sounds like it's right up your alley.
Este nuevo proyecto parece ser justo lo tuyo.
•
I found a book about ancient history, which I know is up your alley.
Encontré un libro sobre historia antigua, sé que es lo tuyo.