dull knife

• 钝刀

dull knife的英文翻译是什么意思，词典释义与在线翻译：

参考翻译

• 钝刀

dull knife的用法和样例：

例句

1. 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。
2. 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。