fail

[feil]

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

例句与用法：

Several banks failed during the depression.

有几家银行在不景气时期倒闭了。

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 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。

I fail to see why you find it so amusing.

我不明白你们为什么对这件事感到如此好笑。

I tried to fix the equipment but I failed.

我想把机器修理好，但是失败了。

词形变化：

动词过去式: failed | 动词过去分词: failed | 动词现在分词: failing | 动词第三人称单数: fails |

详细释义：

n.[C]

不及格

a fail in math

数学不及格

vi.

1. 失败

Our plan has failed.

我们的计划失败了。

He failed in everything he tried.

他做一切事情都失败了。

2. 不及格

She failed in the examination.

她这次考试不及格。

3. 失灵; 失去作用

The engine failed.

引擎出故障了。

4. (指健康)衰退; 变弱; 消失

His hearing is failing.

他的听觉在衰退。

5. 破产; 失去支付能力

Many small banks failed during the recession.

许多小银行在经济衰退期破了产。

6. 缺乏, 不足; (作物)歉收

The crops failed for two years running.

农作物连续两年歉收。

vt.

1. 失败; 不能; 忘记[Y][+to-v]

He did very well, but failed to break the record.

他做得很出色, 但未破记录。

2. 没有通过(考试), 评定(学生)不及格

The professor failed almost half of the class.

该教授给班上几乎一半人评了不及格。

George failed history last semester.

乔治上学期历史考试不及格。

3. 使失望; 有负于

His courage failed him.

他失去了勇气。

His friends failed him when he needed their help most.

当他最需要帮助的时候, 他的朋友们却辜负了他。

4. 舍弃(候选人等)

短语词组：

without fail

1. 必定

I shall bring you your mail without fail.

我一定把你的信带来给你。