flaw是什么意思？

Clearly, there is no such thing as a perfect memory – their extraordinary minds are still using the same flawed tools that the rest of us rely on.

The author's mother taught him a valuable lesson by pointing out lots of flaws in his seemingly perfect essay.

In any event, my mother and her red pen showed me how deeply flawed a flawless essay could be.

But the report, he said, "will harm the cause for action on both climate change and disasters because it is so deeply flawed (有瑕疵的).

Being funny isn't necessarily an indicator of good social skills and well-being," his research has shown, "it may just exactly be a sign of personality flaws.