dun

名词 dun:

1. horse of a dull brownish grey color
2. a color or pigment varying around a light grey-brown color
   同义词：greyish brown, grayish brown, fawn

动词 dun:

1. treat cruelly
   同义词：torment, rag, bedevil, crucify, frustrate
2. persistently ask for overdue payment
3. cure by salting
4. make a dun color

形容词 dun:

1. of a dull greyish brown to brownish grey color

1. The debt-collector kept dunning me for the rent
   收帐人一直在催逼我缴租费。

dun

v.tr.（及物动词）
dunned,dun.ning,duns
To importune (a debtor) for payment:
向（欠债人）讨债：
例句：
a dunning letter.
讨债信

n.（名词）
One that duns.
讨债人
An importunate demand for payment.
讨债

来源：
[Origin unknown]
[词源不明]

dun
dun 2

n.（名词）
Color An almost neutral brownish gray to dull grayish brown.
【色彩】 暗褐色：近乎中性的棕灰到暗灰棕色
A fishing fly having this color.
具有此种颜色的蜉蚍的亚成虫
A horse of this color.
灰兔褐色马

来源：
Middle English
中古英语
from Old English dunn
源自 古英语 dunn
[perhaps of Celtic origin]
[可能来自盖尔语]