alley
noun [ C ] uk/ˈæl.i/ us/ˈæl.i/ (also alleyway, uk/ˈæl.i.weɪ/ us/ˈæl.i.weɪ/)
小街；小巷，胡同
a narrow road or path between buildings
She walked quickly down the alley.
（尤指两边有树或灌木的）小径
a path in a park or garden, especially with trees or bushes on both sides
Idiom
up/down your alleyidiom US and Australian English (UK up your street) 合口味;为（某人）所喜爱
to be the type of thing that you are interested in or that you enjoy doing
Kate loves dancing, so salsa lessons would be right up her alley. 凯特喜欢跳舞，所以萨尔萨舞蹈课正对她的口味。