Somebody must have dulled the knife.

一定有人把这刀子弄钝了。

youdao

We are callous because we have become dull to suffering, we have dulled our minds through escapes.

我们冷漠是因为我们变得对痛苦迟钝，我们通过逃避使我们的心意变得迟钝。

youdao

But, as in a dispute among heirs to a disappointing legacy, the parties are fighting over an economy whose prospects have dulled after the great fall (see chart).

但是，正如继承者因遗产不满而争论一样，党派之间也在为一个巨大下滑后前景仍不明朗的英国经济而争论不休(见图表)。

youdao

After the group's last tie in October, Liberia will not play a qualifying match for nearly two years - something that appears to have dulled Hey's enthusiasm for a job he only assumed in March.

BBC: Hey may quit as Liberia coach

It has the power to revive senses that have been dulled by the crushing predictability of recent movies.

NEWYORKER: Visions of Light: The Art of Cinematography

It's probably hard to plan a year off if your wits have been dulled by the Uniform Commercial Code and the Rule Against Perpetuities.

WSJ: Elizabeth Wurtzel: Tough Times for Big Law