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.
出自-2013年12月聽力原文
But the study had some big flaws.
2019年12月六級真題（第二套）聽力 Section C
柯林斯高階英漢雙解學習詞典釋義
N-COUNT
錯誤;謬誤
A flawin something such as a theory or argument is a mistake in it, which causes it to be less effective or valid.