铁锈使这把刀变得钝了。

Rust has made this knife dull.

这把刀的刀刃已经钝了。

The blade of this knife is already dull.

他买了一个新的削笔刀，因为旧的已经钝了。

He bought a new sharpener because the old one was dull.

这把刀的刀锋太钝，不能切萝卜。

DULL】The blade of this knife is so dull that it will not cut a radish.

那把锋利的。不是那个钝的。

The sharp one, not the dull one.

刺辊或盖板的金属针布变钝.

Blunt licker - in wire or dull flats.

这把刀的刀刃很钝,无法切面包.

The edge of this knife is too dull to cut the bread.

这吧刀太钝了，没法拿来切薄片。

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

他的脸上全是钝刀片割的疤痕.

His face was all nicked up with the dull edge of the blade.

这把刀太钝了.

The knife is too dull.