dun

v (-nn-) [Tn] persistently demand payment of a debt from (sb) （不断地向某人）讨债; 催讨债款.

dullness, dully, duly, dumb, dumb show, dumb waiter, dumb-bell, dumbfound (also dumfound), dumbly, dumbness, dumdum, dummy, dummy run, dump, dumper, dumpiness, dumping, dumpling, dumps, dumpy, dunce, dunce's cap, dunderhead, dune, dung, dungarees, dungeon, dunghill, dunk, duo, duodecimal, duodenal, duodenum, duologue, dupe, duple time, duplex, duplicate, duplication, duplicator,