绳子系得太松，箱子可能会掉下来。

The rope was tied ___loosely, so the box might fall off.

人们经常用'环保'这个词来泛指各种与环境保护相关的行为。

People often use the term 'eco-friendly' ___loosely to refer to various environment-related actions.

他靠在椅背上，随意地翻着杂志。

He leaned back in the chair and flipped through the magazine ___loosely.