他穿着很随便的牛仔裤和T恤衫。

He was casually dressed in jeans and a T-shirt.

《牛津词典》

一般用在很随便的场合，朋友之间。

You can use this word around your friends, but not in formal situations or with strangers.

youdao

我们常常会在课上很随便的讨论问题，和老师说出自己的观点；

We often hold discussions in class, both with classmates and teachers.

youdao