刀钝了。

The knife is blunt.

《新英汉大辞典》

这把刀钝了，我要给它加刃。

The knife is blunt . I will edge it .

youdao

我的铅笔钝了，能借用你的削铅笔刀吗？

My pencil's blunt; can I borrow your sharpener?

youdao

把这些刀磨一磨，他们已经钝了。

Grind these knives, they are blunt.

youdao

这把刀已经因使用多年而变钝了。

This knife has been blunted by years of use.

youdao

这把刀太钝了。

This knife is too dull.

youdao

这吧刀太钝了，没法拿来切薄片。

This knife is too dull. I can't slice them thinly.

youdao

他的硬胡子把剃须刀的刀口给弄钝了。

His stiff beard turns the edge of the razor.

youdao

他的硬胡子把剃须刀的刀口给弄钝了。

His stiff beard turns the edge of the razor.

youdao