But as is usually the case, bad things do not wait and happen when you do not expect them.

但通常情况下 坏事不会等待 也不会在你意料之外的时候发生。

They strove to make mutual concessions, which became—as is usually the case—a form of mutual torment.

他们努力做出相互让步， 这成了——通常情况下——一种相互折磨的形式。

And as is usually the case, when the driver has either had a drink, or expects to get one, the horses go at a good pace.

通常情况下，当司机喝了一杯酒或希望喝一杯时，马匹就会以良好的速度行驶。

As is usually the case in studies of this sort, the sample size was small (and therefore not as robust as might be desirable) and the result showed an association, rather than a definite, causal relationship.

和这类研究的其他情形一样，这次实验的样本容量太小了（因此不足以令人信服），并且研究结果只是种猜想，而不是一种肯定的、有根据的关系。

Both doors and lattices were open; and yet, as is usually the case in a coal district, a fine, red fire illumined the chimney: the comfort which the eye derives from it renders the extra heat endurable.

门窗都敞开着；但是，正如在产煤地区的通常情况，一炉烧得红红的好火把壁炉照得亮亮的：由这一眼望去所得的舒适之感也使那过多的热气成为能够忍受的了。