(yào, ㄧㄠˋ) important; vital; to want; to be going to; must [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]
老
(ろう) (n) old age; age; old people; the old; the aged [EDICT]
(lǎo, ㄌㄠˇ) prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity; old (of people); venerable (person); experienced; of long standing; always; all the time; of the pas [CE-DICT]
