dunKK [dʌn] /dʌn/發音動詞1催討、催繳、逼債The agency dunned him for months over an unpaid medical bill.那家公司為了一筆未繳的醫療帳單,向他催討了好幾個月。形容詞1灰褐色的、暗褐色的By late summer the hills had faded to a dun brown.到了夏末,那些山丘褪成一片灰褐色。名詞1灰褐色、暗褐色The walls were painted a dull dun that absorbed all the light.牆面漆成一種暗淡的灰褐色,把光線全吸走了。2灰褐色馬She rode a dun with a dark stripe along its back.她騎著一匹背上有深色條紋的灰褐色馬。3討債者、催款人舊式He kept the curtains closed to avoid the duns at his door.他一直拉著窗簾,躲避上門的討債者。