(wú, ㄨˊ) -less; not to have; no; none; not; to lack; un- [CE-DICT]
足
(あし) ขา, เท้า [LongdoJP]
(そく) (suf,ctr) counter for pairs (of socks, shoes, etc.) [EDICT]
(あし) (n) (1) (esp. 足) foot; (2) (esp. 脚,肢) leg; (3) gait; (4) pace; (5) (usu. 脚) bottom structural component (i.e. radical) of a kanji; (6) (足 only) means of transportation; (P) [EDICT]
(zú, ㄗㄨˊ) foot; to be sufficient [CE-DICT]
轻
(qīng, ㄑㄧㄥ) light; easy; gentle; soft; reckless; unimportant; frivolous; small in number; unstressed; neutral [CE-DICT]
重
(おも) (adj-na,n) (1) (See 主な,主に) chief; main; principal; important; (2) (abbr) (usu. written as オモ) (See 重あど) main secondary or supporting role (in kyogen); (P) [EDICT]