(zài, ㄗㄞˋ) (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress) [CE-DICT]
信
(しん) (adv,n) (1) honesty; fidelity; (2) trust; reliance; (3) (religious) faith; (ctr) (4) counter for received messages; (P) [EDICT]
(xìn, ㄒㄧㄣˋ) letter; true; to believe; sign; evidence [CE-DICT]
中
(じゅう;ぢゅう) (suf) (1) through; throughout; in the course of; (2) all over or throughout (e.g. a place) [EDICT]
(ちゅう) (suf) (1) (See 並・1) medium; average; middle; (2) moderation; (3) (abbr) (See 中一,中学校) middle school; (4) (abbr) (See 中国・1) China; (n-suf) (5) (See 中・じゅう・2) in; out of (e.g. three out of ten people); (6) (See 話し中) during (a certain time when one did or is doing something); under (construction, etc.); while; (P) [EDICT]