(kù, ㄎㄨˋ) ruthless; strong (as of wine); (slang loan from English) cool, great [CE-DICT]
用
(よう) (n,n-suf) (1) task; business; (2) use; duty; service; (3) (See 用を足す) call of nature; excretion; (P) [EDICT]
(yòng, ㄩㄥˋ) to use [CE-DICT]
眼
(まなこ) (n) (1) eye; eyeball; (2) (arch) pupil and (dark) iris of the eye; (3) (arch) insight; perceptivity; power of observation; (4) (arch) look; field of vision; (5) (arch) core; center; centre; essence; (P) [EDICT]
(yǎn, ㄧㄢˇ) eye [CE-DICT]
睛
(jīng, ㄐㄧㄥ) eye [CE-DICT]
先
(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]