We need the blunt edge, 'cause we can't make it like that.

我们需要钝边，因为我们不能那样做。

Several different expedients, however, may be fallen upon, which will effectually blunt the edge of all those incitements to diligence.

然而，可能会采用几种不同权宜之计，它们将有效地削弱所有这些对激励。

When the liver ceases to perform its functions, the pulse is felt like the string of a new bow or like the blunt edge of a sword. In this case the patient will die within eight days.

当绝，脉象新张弓，循刀刃。在这种情况下，病人将在八天内死亡。

The poor girl found her account so completely in the exercise of her affections that the little tremor of fear that mixed itself with her filial passion gave the thing an extra relish rather than blunted its edge.

这个可怜女孩发现她责任完全在于她感情运用，以至于恐惧轻微颤抖与她孝顺热情混合在一起，给这件事带来了额外乐趣，而不是削弱了它锋芒。