dull
/dʌl; dʌl/ adj
(-er, -est)
1 not bright or clear 不鲜 明的; 不清楚的
a dull colour, glow, thud 暗淡的颜色、 昏暗的光、 沉闷的响声
dull (ie cloudy) weather 阴沉的天气
dull of hearing, ie slightly deaf 听力不佳.
2 slow in understanding; stupid 迟钝的; 呆笨的
a dull pupil, class, mind 迟钝的学生、 一班学生、 头脑.
3 lacking interest or excitement; boring; monotonous 枯燥无味的; 令人厌烦的; 单调的
The conference was deadly dull. 会议开得死气沉沉的.
4 not sharp 不锋利的; 钝的: a dull knife 钝刀.
5 (of pain) not felt sharply （指疼痛）感觉不明显的, 隐约感觉到的: a dull ache 隐约的疼痛.
6 (of trade) not busy; slow （指生意）萧条的, 清淡的
There's always a dull period after the January sales. 在一月份大减价之後市面总要有一段清淡时期.
7 (idm 习语) (as) ,dull as `ditch-water (infml 口) very boring 极沉闷乏味的. dull, v [I, Tn]
(cause sth to) become dull （使某事物）变钝, 变迟钝
Watching television dulls one's wits. 看电视能使人头脑迟钝.
She took drugs to dull the pain. 她吃了药以减轻疼痛.
(fig 比喻) Time had dulled the edge of his grief. 岁月流逝冲淡了他的忧伤.