Common Meanings
1
dùn钝
Not sharp or keen; dull (as a blade); slow (in thought or reaction); can also imply unfavorable or unsuccessful outcomes.
这把剪刀有点钝了，剪纸不方便
This pair of scissors is a bit dull, making it inconvenient to cut paper.
Dull, slow-witted, clumsy, or inflexible in thought or action.
他的反应有些迟钝，没能及时理解我的意思。
His reaction was a bit slow, so he couldn't grasp my meaning in time.