(せん) (adj-no,n) (1) former; previous; old; (n) (2) first move (in go, shogi, etc.); opening move [EDICT]
(さき) (n,adj-no,n-suf,pref) (1) previous; prior; former; some time ago; preceding; (2) point (e.g. pencil); tip; end; nozzle; (3) head (of a line); front; (4) ahead; the other side; (5) the future; hereafter; (6) destination; (7) the other party; (P) [EDICT]
(xiān, ㄒㄧㄢ) early; prior; former; in advance; first [CE-DICT]
该
(gāi, ㄍㄞ) that; the above-mentioned; most likely; to deserve; should; ought to; owe [CE-DICT]
为
(wéi, ㄨㄟˊ) as (in the capacity of); to take sth as; to act as; to serve as; to behave as; to become; to be; to do [CE-DICT]