(yào, ㄧㄠˋ) important; vital; to want; to be going to; must [CE-DICT]
也
(なり) (aux-v) (1) (uk) (arch) (meaning 〜だ、〜である) to be (an affirmation); (2) (uk) (arch) (meaning 〜にある、〜にいる. Usu. なる) (See なる・1) to be (location); (n,suf) (3) (usu. 也) sum of money (used to express an exact sum on a receipt, envelope, certificate, etc.) [EDICT]
(yě, ㄧㄝˇ) also; too; (in classical Chinese) final particle serving as copula [CE-DICT]
因
(いん) (n) (1) cause; factor; (2) {Buddh} (See 縁・えん・5) hetu (direct cause, esp. as opposed to indirect conditions); (3) (See 因明) the basis of one's argument (in hetuvidya); (P) [EDICT]
(dàn, ㄉㄢˋ) but; yet; however; only; merely; still [CE-DICT]
得
(う) (v2a-s,vt) (1) (See 得る・うる) to get; to acquire; to obtain; to procure; to earn; to win; to gain; to secure; to attain; (2) (as 〜することを得, etc.) to be possible [EDICT]
(とく) (adj-na,n) (1) (also written as 徳) profit; advantage; benefit; gain; (2) {Buddh} rebirth in paradise, entering nirvana; (P) [EDICT]
(dé, ㄉㄜˊ) to obtain; to get; to gain; to catch (a disease); proper; suitable; proud; contented; to allow; to permit; ready; finished [CE-DICT]
(de, ㄉㄜ˙) structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc [CE-DICT]
(děi, ㄉㄟˇ) to have to; must; ought to; to need to [CE-DICT]
到
(dào, ㄉㄠˋ) to (a place); until (a time); up to; to go; to arrive [CE-DICT]