(よう) (n,n-suf) (1) task; business; (2) use; duty; service; (3) (See 用を足す) call of nature; excretion; (P) [EDICT]
(yòng, ㄩㄥˋ) to use [CE-DICT]
净
(jìng, ㄐㄧㄥˋ) clean; completely; only [CE-DICT]
水
(すい) (n) (1) (abbr) (See 水曜日) Wednesday; (2) (See 氷水) shaved ice (served with flavored syrup); (3) (See 五行・1) water (fifth of the five elements) [EDICT]
(みず) (n) (1) (See 湯・ゆ・1) water (esp. cool, fresh water, e.g. drinking water); (2) fluid (esp. in an animal tissue); liquid; (3) flood; floodwaters; (4) (See 力水) water offered to sumo wrestlers just prior to a bout; (5) (See 水入り) break granted to sumo wrestlers engaged in a prolonged bout; (P) [EDICT]