city walls; city; town; CL:座[zuo4],道[dao4],個|个[ge4]

castle; rook (chess piece)

Philadelphia, Pennsylvania; abbr. for 費拉德爾菲亞|费拉德尔菲亚[Fei4 la1 de2 er3 fei1 ya4]

town; cities and towns

to go to town; to enter a big city (to live or work)