I felt totally inadequate as a parent.

我觉得我作为父亲（或母亲）完全不称职。

《牛津词典》

We consider the mains as inadequate a source of power for the audio equipment of the resolution that we are aiming for.

我们认为，因为解析力的追求，市电是不充足的供电方式。

youdao

In these critical senses, a dream is inadequate.

在这些重要的意义上，一个梦是不够的。

youdao

So,the argument that someone is a bad man is an inadequate argument for war and certainly an inadequate and unacceptable argument for regime change."

VOA: standard.2010.01.02

There are lots of things to be said against it, on the other hand, which I don't want to pause over now because I think a course of lectures on literary theory will inevitably show the ways in which paraphrase is inadequate to the task of rigorous interpretation.

另一方面，有很多反对这个的言论，我不想在此,停下来讲,因为我觉得一门,文学理论上的课不可避免地,会包括一些释意所无法，充分解释的方面,一个严苛的评论家克林斯。

耶鲁公开课 - 文学理论导论课程节选

Dr.Vallenas says there is a widespread misconception that stress or inadequate nutrition, commonly seen during emergencies, can prevent mothers from breast-feeding successfully.

VOA: standard.2009.08.01

He has dismissed as inadequate a half-complete, forgotten internal inquiry into the Rampart scandal, and demanded a fresh inquiry by outsiders.

ECONOMIST: A delicate task for William Bratton in Los Angeles

Perhaps most notably, Rumsfeld has survived reversals in the war in Iraq, including a post-invasion plan that's been widely criticized as inadequate, a persistent Iraqi insurgency and allegations of murder by U.S. troops in Iraq.

NPR: Donald Rumsfeld, Secretary of Self-Defense

There are economies of scale in oversight: While 10 or 20 basis points spent on oversight costs for a very large institutional investor might be prudent, that may be woefully inadequate for a smaller entity that is pursuing a high equity and highly diversified strategy.

FORBES: CIO Outsourcing: Questions Investment Committees Need to Ask