mud; mire; slush; ooze

to plaster; to caulk; to smear or cover a surface or gap with a sticky substance

Used between a verb and its result to show that the action cannot achieve that result; used as the negative form of the 得 de potential construction

(suffix) on; in; at; on the surface of; used after a noun to indicate a location, scope, or aspect

a wall or similar barrier built of brick, stone, or other materials