1.fail to do something; leave something undone;
She failed to notice that her child was no longer in his crib
2.be unsuccessful;
Where do today's public schools fail?
3.disappoint, prove undependable to; abandon, forsake;
His sense of smell failed him this time
4.stop operating or functioning;
The engine finally went
5.be unable;
I fail to understand your motives
6.judge unacceptable;
The teacher failed six students
7.fail to get a passing grade;
She studied hard but failed nevertheless
8.fall short in what is expected;
She failed in her obligations as a good daughter-in-law
9.become bankrupt or insolvent; fail financially and close;
The toy company went bankrupt after the competition hired cheap Mexican labor
10. prove insufficient;
The water supply for the town failed after a long drought
11. get worse;
Her health is declining
fail fail [feil] vi. 失败, 不及格, 忘记 vt. 使失望, 舍弃, 辜负, 不及格 n. 不及格, 不及格者 词组 fail in 在。..上失败,变弱 fail in doing sth 表示做什么事失败了 fail to do sth 表示没能做成什么事 例句和用法 1.Several banks failed during the depression. 有几家银行在不景气时期倒闭了。 2.He never fails to write to his mother every week. 他从来没有忘记每周给母亲写信。 3.He got a fail in history a