Consequently, it is not his sudden change of attitude that raises a laugh, but rather the involuntary element in this change, —his clumsiness, in fact. Perhaps there was a stone on the road.

因此， 引人发笑的不是他突然改变态度， 而是这种改变中的不自觉因素——事实上是他的笨拙。也许路上有一块石头。

The matter of fact, is, that the matron was in no way overpowered by Mr. Bumble's scowl, but, on the contrary, treated it with great disdain, and even raised a laugh thereat, which sounded as though it were genuine.

事实上，女总管并没有被邦布尔先生的怒容压倒，相反，还很不屑，甚至还发出了笑声，听上去像是真的。