(cái, ㄘㄞˊ) ability; talent; endowment; gift; an expert; only (then); only if; just [CE-DICT]
(cái, ㄘㄞˊ) just; not until [CE-DICT]
是
(これ) (pn) (1) (uk) (See 何れ・1,其れ・1,彼・あれ・1) this (indicating an item near the speaker, the action of the speaker, or the current topic); (2) (hum) this person (usu. indicating someone in one's in-group); (3) now; (4) (arch) here; (5) (arch) I (me); (6) (arch) certainly; (P) [EDICT]
(ぜ) (n) righteousness; justice; right [EDICT]
(shì, ㄕˋ) is; are; am; yes; to be [CE-DICT]
关
(guān, ㄍㄨㄢ) mountain pass; to close; to shut; to turn off; to concern; to involve; surname Guan [CE-DICT]
键
(jiàn, ㄐㄧㄢˋ) (door lock) key; key (on piano or keyboard) [CE-DICT]