dull knife
英
美
- dull adj.呆滞的；钝的；迟钝的；无趣的；暗的v.变钝；迟钝
- knife n.刀v.用刀切割
- It took him a long time to sharpen the dull knife.
他花了很长时间把那把钝刀磨锋利。
- A blunt knife may be sharpened on a stone, but if a man is stupid there is no hope for his stupidity.
一把钝刀可以在石头上锐化，然而一个蠢人却由于他的愚蠢是没有希望的。
