up alley
(right) up (your) alley
suited to your abilities or interests.
Harry knows a lot about computers and software, so this job is right up his alley.

[TahlilGaran] English Idioms Dictionary ▲

up one's alley
something one is good at or enjoys
Computer programming is right up his alley and he is very good at it.

[TahlilGaran] English Idioms Dictionary ▲

up one's alley
{adv. phr.} In accordance with one's specialty or predilection.
This kind of preclassical music is right up Bill's alley; after all, he wrote his Ph.D. on Bach.

{adj. phr.}, {slang} Suited to your tastes and abilities; what you like or like to do.
Baseball is right down Jim's alley.
Compare: CUP OF TEA.
See: DOWN ONE'S ALLEY.

[TahlilGaran] English Idioms Dictionary ▲