This function is ineptly left to a small voice.

这项任务不适当地交给了一个声音小的人.

He performed his functions ineptly.

他没能履行自己的职责。

Unless the tests are ineptly designed, removing tests will just remove power.

除非测试用例是不熟练的设计, 否则去掉测试用例就是去除作用力.

My husband once had a problem like this and dealt with it so ineptly that he managed to offend the smeller without making him change his stinky habits.

我先生曾遇到过一个类似的问题，但处理得很不得当，以至于他冒犯了那个有体臭的人，而那人却没有改掉臭烘烘的毛病。