dull knife是什么意思 dull knife怎么读
dull knife的英文翻译是什么意思，词典释义与在线翻译
dull knife的用法和样例
- 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。
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