failing:
1、Do you know that Bill got flung out of college for failing his exam?
妳知道嗎？比爾因考試不及格被學校開除了。
2、He was 58, and his health was failing rapidly.
他58歲，健康狀況每況愈下。
3、Failing to give due heed, care, or attention; inattentive
不小心的未給予應有的註意小心或關註的；不留心的
4、The motorist was charged with failing to stop at a red light
那位司機被指控闖紅燈。
5、She was partly to blame for failing to look as she crossed the road.
她橫穿馬路時沒有看車，應承擔部分責任。
flaw:
1、The question if nondestructive?flaw?detectors are metrological instrument is discussed.
從多個方面討論?*?是否屬於計量器具。
2、A?flaw?in the dish caused it to break
盤子上的瑕造成它破裂。
3、There seems to be a?flaw?in the code
這個編碼裏似乎有壹個缺陷。
4、In fact, the key is the underdevelopment of market and it pricks up the interior?flaw?of market.
對於中國的金融市場關鍵原因還在市場不發達，在中國實際上是市場不發達加劇了市場的內在缺陷。
5、A?flaw?in the dish caused it to break.
盤子上的瑕?造成它破裂。