(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]
丁
(ちょう) (ctr) (1) counter for sheets, pages, leaves, etc.; (2) counter for blocks of tofu; counter for servings in a restaurant; (3) (See 挺) counter for long and narrow things such as guns, scissors, spades, hoes, inksticks, palanquins, candles, jinrikishas, shamisen, oars, etc.; (n) (4) (See 半・はん・3) even number; (5) (See 町・3) 109.09 m [EDICT]
(てい;ひのと) (n) 4th in rank; fourth sign of the Chinese calendar [EDICT]
(dīng, ㄉㄧㄥ) surname Ding; cubes (of food); fourth of 10 heavenly trunks 十天干; fourth in order; letter "D" or roman "IV" in list "A, B, C", or "I, II, III" etc; butyl [CE-DICT]