fail/ feɪl /

1.vt.[+exam] [ test] 
没有通过

I failed my driving test twice.
我两次驾驶考试都没合格。
2.vt.[+candidate] 
评定…不及格

One of the examiners wanted to fail him.
其中一位考官想要评定他不及格。
3.vt.[leader] [ system+] 
使失望

Our leaders have failed us.
我们的领导使我们失望。
4.vt.
失去

At the last minute his courage failed him.
在关键时刻,他失去了勇气。
5.vi.[courage] [ memory+] 
没通过

"Did you pass?" - "No, I failed."
“你过了吗?” “没过。”
6.vi.[attempt] [ plan] [ remedy+] 
失败

The attempt to bribe the clerk had failed.
贿赂职员的尝试失败了。
7.vi.[brakes+] 
失灵

The brakes failed and his car crashed into a tree.
由于刹车失灵,他的车撞树上了。
8.vi.[eyesight] [ health+] 
衰退

They go and read to people whose sight is failing.
他们给那些视力衰退的人读书听。
9.vi.[light+] 
变暗

In a few hours the light will fail.
几个小时以后,天色就会变暗。
to fail to do sth
未能做某事
The England team failed to win a place in the finals.
英格兰队未能进入决赛。
10.vi.
(neglect) 没有做某事

The bomb failed to explode.
炸弹没有爆炸。
without fail
一定
Don't worry, I'll be there without fail.
别担心,我一定会去。
11.vi.
(without exception) 毫无例外

He attended every meeting without fail.
他每次会议都参加,没有例外的。