To sum up
总结一下

To sum up, what is the message that you are trying to get across?
总结一下，你想要传达的信息到底是什么？

In summary
总之

This article introduces the main technologies on network security in summary, and analyzes each one.
本文概括介绍了网络安全方面所使用的主要技术，并对每种技术进行了分析、比较。

To conclude
总而言之

To conclude, we must make a final decision right now.
总而言之，我们现在必须做出最后的决定。

In closing
最后

In closing, class of 2002, we would like to leave you with some words of wisdom.
2002届的毕业生们，最后，我们将留给你们几个词，它们可都是至理名言。

Finally, it may be concluded…
最后，可以得出结论...

Finally, it may be concluded from the passage that this girl's father is a teacher.
最后，我们可以从文中得出结论，这个女孩的父亲是一位老师。

To summarize
综上所述

To summarize, this study program is about human gene.
综上所述，这个研究项目是关于人类基因。

All in all
总而言之

We both thought that all in all it might not be a bad idea.
我们两人都认为总的说来它或许不是个坏主意。

Overall, it may be said…
大体来说，可以这么说...

Overall, it may be said that without water there can be no human.
可以说，没有水就不可能有人类。

Taking everything into account
考虑到一切因素

Taking everything into account, are you satisfied with Somerville as a place to live?
把所有的一切算进去，把萨默维尔作为一个居住地，你满意吗？

On the whole
归根结底

On the whole, our opinions are the same.
归根结底，我们的意见基本上是一致的。

All things considered
考虑周全

All things considered, I think you have behaved marvellously in coming here.
从各方面考虑，我认为你来这儿是一个非常明智的举动。

In sum
简而言之

In sum, he is a man of high principle.
简而言之，他是个很有原则的人。

Everything considered
一切都考虑到

Everything considered , he has done a good job.
所有因素考虑在内，他做得很好了。

By and large
大体而言

They were, by and large, a very wealthy, privileged elite.
他们基本上是一些非常有钱有势的精英。

In the end
最后

In the end, the little boy came home and apologized to his mum.
最后，这个小男孩回家并给他的母亲道歉了。