quiet反义词，be

反义词是be noisy ，中文意思是吵闹的

A problem for manufacturers is that lighter cars tend to be noisy.制造商遇到的一个问题是重量较轻的汽车往往噪音大。

Don't be noisy. I can take care of myself.

别吵。我自己可以照顾自己。

It's a public place， so don't be noisy.

这是公共场合，所以不要喧哗。