The quality or condition of being deficient; incompleteness or inadequacy.

缺点，缺陷不完善的性质或状况；不完整或不充足。

youdao

One factor that can hold us back from sharing our faith is a feeling of incompetence or inadequacy.

妨碍我们和人分享信仰的其中一个原因，是我们感到自己不胜任或力有不足。

youdao

If you are in a relationship, you might sense feels of jealousy or inadequacy coming from your love.

如果你已经恋爱了，你的爱人可能会感觉到一些嫉妒或者不满足。

youdao

Vastly more die in many poor countries from the non-existence or inadequacy of sewerage systems.

ECONOMIST: Third-world water and the private sector

False guilt is feeling responsible for imagined offenses or from a sense of inadequacy.

FORBES: Get rid of the guilt

When I look at Real Simple or a West Elm catalogue, I feel a twinge of inadequacy.

FORBES: Reader Story: In Defense of Clutter