adj.呆滯的；鈍的；遲鈍的；無趣的；暗的

v.變鈍；遲鈍

Jack had all work but no play, making him a dull boy. 杰克只學不玩,這使得他成為一個呆笨的孩子。

It's impossible to cut a pineapple with such a dull knife. 用一把這么鈍的刀子切菠蘿是不可能的。

The mind becomes dull if the body doesn't get on exercise. 要是身體得不到鍛煉,頭腦也會遲鈍的。

This book is rather dull. 這本書很枯燥。

The dying fire was throwing out a dull red light. 將要熄滅的火發(fā)出暗紅色的光。

She gave me some medicine to dull the pain. 她給了我一些可減輕疼痛的藥。

The sensory nerves of this old man seem to dull. 這位老人的感覺神經(jīng)似乎不太敏銳了。

dull可用作定語、表語或賓語補足語。

dull的比較級為duller,最高級為dullest。