dun1[dʌn]vt.1.■(一再)由…讨债,(反复)向…催债,向…催付欠债(for):The debt collector kept dunning her for the rent.收账人一直在催逼她缴租金。They kept dunning us about the overdue bill.他们一直在向我们催讨过期的账款。2.■不断烦忧,纠缠不休:He dunned me for some information.他缠着要我提供一些情报。vi.1.■(一再)讨债,(反复)催债:The company gave me dunning letters and calls.这家公司给我来了许多讨债信和催债电话。2.■不断烦扰,纠缠:to keep on dunning纠缠不清n.1.■(尤指书面形式的)讨债,催讨,催债2.■(尤指雇用的)讨债者,催债者3.■纠缠不休者变形vt.dunneddunning dun2[dʌn]adj.1.■(马)灰兔褐色的,暗褐色的2.■毫无生气的,单调乏味的3.■[诗歌用语]黑暗的,阴暗的;阴郁的n.1.■灰兔褐色,暗褐色2.■灰兔褐色马3.■【昆虫学】蜉蝣亚成虫4.■【垂钓】5.■蜉蝣成虫鱼饵6.■仿蜉蝣亚成虫假鱼饵 (=dun fly)vt.,vi.1.■(使)成灰兔褐色,(使)成暗褐色变形vt.,vi.dunneddunning dun3[dʌn]n.1.■山丘2.■设防高地,防御高地
dundun[dʌn]vt.(dunned; dunning)1.■向...催讨2.■向...纠缠不休, 使烦恼a dun ning letter讨债信dun sb. for payment催某人还债