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的权宜之计，它们将有效地削弱所有这些对勤奋的激励。

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，脉象如新张弓弦，或如循刀刃。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.

这个可怜的女孩发现她的责任完全在于她的感情的运用，以至于恐惧的抖与她孝顺的热情混合在一起，给这件事带来了额外的乐趣，而不是削弱了它的锋芒。