C1 错误；缺点；缺陷，瑕疵a fault, mistake, or weakness, especially one that happens while something is being planned or made, or that causes something not to be perfect
I returned the material because it had a flaw in it. 我退掉了那块布料，因为有瑕疵。
There's a fatal flaw in your reasoning. 你的推理有一处致命的缺陷。
This report is full of flaws. 这个报告充满错谬。
a character flaw 性格上的缺陷