He often gets upset over a trifle.

他经常因为一些琐事而生气。

Let's not argue over such a trifle.

我们不要为这种琐事争论。

He always gets angry over a trifle.

他总是为小事生气。

It's just a trifle, don't worry about it.

这只是个小事，不用担心。

Don't worry about that; it's just a trifle.

不要担心那个；那只是个琐事。

This amount of money is just a trifle to him.

这点钱对他来说只是小事。

To trouble oneself with a trifle

为小事烦恼

The wine has made him a trifle tipsy .

这酒喝得他有点醉意了。

He is a bold man who calls anything a trifle.

将任何事都视为琐碎小事的人是一个胆大无谋的人。

He is always kicking up a shine about a trifle

他总是为一点小事大吵大闹。