inefficiently

She completed the task inefficiently, taking twice as long as necessary.

用法提示：副词修饰动词“完成”，表示做事方式无效率。

The old engine runs inefficiently, wasting a lot of fuel.

用法提示：副词修饰动词“运行”，表示机器运行效率低。

The team communicated inefficiently, causing repeated misunderstandings.

用法提示：副词修饰动词“沟通”，表示沟通方式无效率。