某事

Engage in doing sth.

忙于做某事。

Have fun/enjoy oneself doing sth.

做某事很高兴

For example, what if someone or something traveled back in time and changed the ensuing future?

例如，如果某人或某事来回的时间，改变了随后的未来？

Obviously ... If we want to do something..., it is essential that...

显然，如果我们想做某事，很重要的事情是要。。。。。。

If we want to do something…, it is essential that

显然，如果我们想做某事，很重要的是

Excuse sb. for doing sth.

原谅某人做某事

Excuse sb. for sth.

原谅某人某事。。

A new pattern should not be presented as the exemplification of some abstract grammar-rule, but as a way of saying something .

一个新句型的呈现方式不该是某种抽象文法规则的例示，而应该是「述说某事的一种方式」。

To exert oneself physically or mentally in order to do, make, or accomplish something.

创造，实现：尽力使用自己的体力或脑力以便做、干或完成某事

Exert oneself to do sth.

努力，尽力做某事 268。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。