(yào, ㄧㄠˋ) important; vital; to want; to be going to; must [CE-DICT]
代
(しろ) (n) (1) substitution; (2) material; (3) price; (4) margin (e.g. for stapling, etc.); area required for something; (5) (arch) (See 段) shiro (unit of land area equal to one-fiftieth of a tan; ~19.83 m.sq.) [EDICT]
(だい) (n,n-suf) (1) charge; cost; price; (2) (See 台・だい・6) generation; age; reign; (3) (geological) era; (4) (after someone's name or title) a representative of; on behalf of; for (someone); (5) (See 代表電話番号) used after a phone number to indicate that it is a switchboard number; (ctr) (6) (See 台・だい・6) counter for decades of ages, eras, etc.; (7) counter for generations (of inheritors to a throne, etc.); (8) (abbr) (See 代理申請会社) proxy application company [EDICT]
(dài, ㄉㄞˋ) to substitute; to act on behalf of others; to replace; generation; dynasty; age; period; (historical) era; (geological) eon [CE-DICT]
