工作上的情况很紧张，根本没有时间放松。 工作很紧张，根本没有时间放松。

We can simply say like this, everyone’d know what you mean by that. What you said is a bit unnatural but correct overall.

工作上的情况很紧张，根本没有时间放松。 工作很紧张，根本没有时间放松。

人总是应该往好处想。 人应该往好处想。

人总是应该多往好处想。 人应该多往好处想。

Putting the adverb after the verb can make the sentence softer, making it more like a suggestion instead of a harsh command. Also, 总是 is a bit too much for what you want to say. It might sound natural in English but it’s a bit too much in Chinese.

可惜的是，我出了点小意外。 可惜的是，出了点小意外。

Since it was the computer that got burnt, in this case, we usually don’t use “我”as the subject.

笔记本电脑的顶盖因为离蜡烛太近，所以有一处轻微的损坏。 笔记本电脑的顶盖因为离蜡烛太近，所以有一处轻微的损坏。

In Chinese, because and so should be together. Also, to sound more natural, we would usually say that it’s burnt ( the cause of the damage ) instead of simply saying it has a damage.

幸运的是，它这不影响使用。 幸运的是，这不影响使用。

但我今天必须上报这个损坏情况。， 但我今天必须上报这个损坏情况，

这是没办法回避。 这是没办法回避。

没办法回逃避。 没办法逃避。

In Chinese, the two sentences can become one. One sentence can have multiple verbs and where to stop depends on the contents.

没办法回避。 没办法回避。

不太理解作者想表达的意思