I continue to address unruliness in class, talking in class, visiting other students during class time etc.

我一直批评课上出现的散漫，讲话，随便下座位找其他同学的情况。

They lounged the summer away.

他们散漫安闲地度夏天。

He lounged the summer away.

他散漫安闲地度夏天。