fail的双解释义是：v.(动词)vt. & vi. 失败 be unsuccessful; be unablevt. & vi. 忘记,忽视,未能 forget; neglect; omit; not remembervt. & vi. 不足,短缺,缺乏 be not enough; come to an end while still needed; be wanting in; lackvi. 衰退,衰弱 (health, physical strength, sight, etc.) decline; weakenvi. 破产 go bankruptvt. 辜负 let down; make lose hope。fail的意思是vi.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的读音是英[feɪl]；美[feɪl]。
一、详尽释义点此查看fail的详细内容
二、英英释义
"She failed to notice that her child was no longer in his crib"
"The secretary failed to call the customer and the company lost the account"
"Where do today's public schools fail?"
"The attempt to rescue the hostages failed miserably"
"His sense of smell failed him this time"
"His strength finally failed him"
"His children failed him in the crisis"
"The engine finally went"
"The car died on the road"
"The bus we travelled in broke down on the way to town"
"The coffee maker broke"
"The engine failed on the way to town"
"her eyesight went after the accident"
"I fail to understand your motives"
"The teacher failed six students"
"She studied hard but failed nevertheless"
"Did I fail the test?"
"She failed in her obligations as a good daughter-in-law"
"We must not fail his obligation to the victims of the Holocaust"
"The toy company went bankrupt after the competition hired cheap Mexican labor"
"A number of banks failed that year"
"The water supply for the town failed after a long drought"
"Her health is declining"
三、网络解释
1. fail的解释
1. 不及格：2005年7月,教师职业协会针对一个议题展开讨论--"不及格"(fail)是否应该从教育字汇中删除,并用"成就延期"(deferred success)来替代?之所以会有这个议题,是因为有些人认为学生们会因为考试屡次不及格而降低学习兴趣.
2. 错误：Fluke4000测试自动与标准进行比较,并且显示通过(Pass)或错误(Fail)信息,同时有声音提示,用RS-232打印出报告. (15) 简易综合布线测量仪,用于测量UTP双绞线. 系统测试在测试小组开展,在测试环境中实施,由测试经理统一负责.
3. 故障：成本差异:CMOS应用半导体工业常用的MOS制程,可以一次整合全部周边设施于单晶片中,节省加工晶片所需负担的成本和良率的损失;相对地CCD采用电荷传递的方式输出资讯,必须另辟传输通道,如果通道中有一个像素故障(Fail),就会导致一整排的讯号壅塞,
四、例句
We must hang together,or our plan will fail.
我们必须齐心协力,否则我们的计划就会失败。
He never fails to write to his mother every week.
他从来没有忘记每周给母亲写信。
He studied hard only to fail in the exam.
他这么用功，结果竟然考场失利。
The water supply failed during the drought.
在干旱期供水不足
As she is getting older, her sight is beginning to fail.
随着年纪越来越大,她的视力开始下降。
Your performance failed your coach who thought that you could have done better.
你的表现辜负了教练的期望,他认为你本可以做得更好一些。
He wanted to lift the heavy box, but his strength failed him.
他是想举起那个沉重的箱子,不过力气不行。
Words fail me right at the sight of this beautiful scenery.
面对着如此美景,我找不到词语来表达我的心情了。
You will fail French unless you work harder.
你要是不再加把劲儿,法语考试就不及格了。
He got a fail in history and passes in other subjects.
他历史考试不及格，其他科目都通过了。
He calls me every Sunday night without fail.
他每个星期天的晚上必定会给我打电话。
五、词汇搭配
六、经典引文
What dangers, by his Highness' fail of issue, May drop upon his kingdom.
出自：Winter's Tale,ShakespeareHe won't come this evening..But he'll come tomorrow Without fail.
出自：S. BeckettShaded over head with Trees, and with Matts when the boughs fail.
出自：H. Maundrell七、词义辨析
fail的相关近义词
fall down、fall through、flop、flunk、default、neglect
fail的相关反义词
fail的相关临近词
failure、Fahrenheit、Faili、Failly、Failla、faille、Faillu、Failli、Failey、Failde、failed、fail of