(dù, ㄉㄨˋ) capacity; degree; degrees (of temperature); standard [CE-DICT]
(duó, ㄉㄨㄛˊ) estimate [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]