(ぜん) (n-pref) (1) (See 前・まえ) the last (i.e. immediately preceding) (e.g. "the last mayor"); previous; one-time; former; (2) (before the name of an era) pre- (e.g. "premodern"); (adj-no,n) (3) before; earlier; (P) [EDICT]
(まえ) (n-adv,n-t,suf) (1) (See 前・ぜん) ago; before (some event); previously; (minutes) to (the hour); (2) in front (of); before (e.g. the house); (3) head (of a line); front (e.g. of a bus); fore part; (4) in the presence of; (5) (See 人前・にんまえ) helping; portion; (6) privates; private parts; (P) [EDICT]
(qián, ㄑㄧㄢˊ) before; in front; ago; former; previous; earlier; front [CE-DICT]
半
(はん) (n,n-pref) (1) half; semi-; (n,n-suf) (2) half-past; (n) (3) (See 丁・ちょう・4) odd number; (4) (arch) unit of land area (595.8 m^2); (P) [EDICT]
(bàn, ㄅㄢˋ) half; semi-; incomplete; (after a number) and a half [CE-DICT]