(guǎn, ㄍㄨㄢˇ) to take care (of); to control; to manage; to be in charge of; to look after; to run; tube; pipe; surname Guan [CE-DICT]
当
(とう) (pref) this (business organisation or place) [EDICT]
(dāng, ㄉㄤ) to be; to act as; manage; withstand; when; during; ought; should; match equally; equal; same; obstruct; just at (a time or place); on the spot; right; just at [CE-DICT]
(dàng, ㄉㄤˋ) at or in the very same...; to pawn; suitable; adequate; fitting; proper; replace; represent [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]