Faili法伊利failvi.失败；没做成某事；表现欠佳；用完；衰退vt.辜负；放弃；缺少；不及格n.不及格；没做成failing character性格弱点fail-cut method失败截断法fail safe control无故障控制,保安控制fail in geography地理课不及格fail safe analysis可靠性分析fail-safe number失安全系数fail tree analysis故障树分析fail-safe design可靠设计fail-safe nature安全性fail at each trial屡试屡踬