Failly法伊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fail-safe circuit防障电路fail out of college(因不及格)从大学退学failed fuel element破损燃料元件fail safe equipment破损安全装置fail-soft capabil故障弱化能力fail to materialize未能实现fail-safe program不安全的程序fail safe operation安全运行fail in examination考试不及格fail-safe computer安全计算机