I still feel inadequate, useless and mixed up.

我仍旧感到能力不足，毫无用处，混淆不清。

《柯林斯英汉双解大词典》

It only makes me feel inadequate.

它让我感觉自己的不足。

youdao

What do you feel inadequate about?

你对此感觉有什么不合适吗？

youdao

We don't want you to feel inadequate when you're simply inexperienced.

我们不想你们仅仅因为缺乏经验,而觉得自己不够格。

麻省理工公开课 - 计算机科学及编程导论课程节选

It helps keep all the things we worry abut and feel inadequate about in perspective.

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James Sinclair, 28, who recently graduated from law school and opened his own civil practice, said when he traded emails with other attorneys, his lack of a disclaimer made him feel inadequate.

WSJ: Email Disclaimers Proliferate

He was assisted by a former marine drill sergeant who became a gym teacher because it gave him an outlet to visit revenge on the type of kids that once made him feel inadequate in math and science class.

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