(zài, ㄗㄞˋ) (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress) [CE-DICT]
所
(しょ) (suf,ctr) counter for places [EDICT]
(ところ(P);とこ(所)) (n,suf) (1) (also pronounced どころ when a suffix) place; spot; scene; site; (2) address; (3) district; area; locality; (4) one's house; (5) point; (6) part; (7) space; room; (8) (uk) (after the plain past form of a verb) whereupon; as a result; (9) (after present form of a verb) about to; on the verge of; (P) [EDICT]
(suǒ, ㄙㄨㄛˇ) actually; place; classifier for houses, small buildings, institutions etc; that which; particle introducing a relative clause or passive [CE-DICT]