这几个短语能这么用吗

可以啊
sum up 是固定搭配，计算，结算
Let's sum up our experience before going on.
在继续做之前我们先来总结一下经验吧

in conclusion 最后，总之
In conclusion, I'd like to thank you for all you've done for me.
最后,我要感谢你们为我所做的一切。

in brief 简言之
In brief , you are right.
简言之，你是对的。

on account of 由于，因为
Bill cannot come to the meeting on account of illness.
比尔因病不能到会。

besides 此外,而且,加之
Besides, I want you to promise me one thing.
此外,我要你答应我一件事。

furthermore 而且,此外,再者
Furthermore, he felt that he wasn't really an authority on preventive medicine.
此外,他觉得自己并不真正是预防医学的权威

likewise 同样地,照样地
Likewise, you are right.
同样你也是对的。

moreover 并且,加之,此外
He was, moreover, a poet of promise.
此外,他还是一个有前途的诗人

in conclusion, in brief, on account of this, besides, furthermore, moreover.这几个可以。
on account of this是由于的意思
on account of the hurricane,