dun
adjective uk/dʌn/ us/dʌn/
灰棕色的
of a greyish-brown colour
dun
verb [ T ] old-fashioned uk/dʌn/ us/dʌn/ -nn-
要钱;讨债，催债
to demand money from someone
He claimed he would rather go to prison than continue being dunned by the taxman. 他声称宁可坐牢也不愿意再被税务局催款。
One of his jobs was dunning customers for money they owed. 他的工作之一是催促顾客偿还欠款。