不重要的事 meaning in English

inconsequentia
indifference

I know that my father gets angry very quickly , sometimes about things that are not important
我知道我父亲有时容易对那些不重要的事生气。
I ' m tired of listening to john make a mountain out of a molehill . he constantly complains about minor things
我受不了约翰小题大作，他不断抱怨一些不重要的事。
The rest of the study participants wrote about trivial things , such as how they spent their free time
其余的人则记录一些不重要的事，例如他们如何度过空闲时间之类的。
You were serious when i told you you had got a fortune ; and now , for a matter of no moment , you are excited
“我告诉你有一笔财产时，你非常严肃，而现在，为了一件不重要的事，你却那么兴奋。 ”