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1·I lived in fear of failing my final exams.

我生活在期末考试不及格的担忧中。《柯林斯英汉双解大词典》

2·In a way, I suppose I'm frightened of failing.

我想，从某种程度上来说我害怕失败。《柯林斯英汉双解大词典》

3·Children are worried about failing in front of their peers.

儿童都怕在同伴面前失败。《牛津词典》

4·His wife divorced him for failing to consummate their marriage.

他的妻子因为他未能完婚而跟他离婚了。《柯林斯英汉双解大词典》

5·The system is failing most disastrously among less academic children.

这种制度在学习不太好的学生中最失败。《柯林斯英汉双解大词典》

6·One's memory is failing.;

记忆力衰退。《新英汉大辞典》

7·Failing the exam, I am in a mood today.

因为考试不及格，所以我今天心情很不好。

8·Failing the last exam, he has made a resolution to pass the next exam.

他上一次考试不及格，所以他下定决心要通过下一次考试。

9·Despite failing to win a trophy since 2005, it is well-positioned for the future.

尽管自2005年以来未能赢得一个奖杯，它也能为未来做好了准备。

10·He had many a time heard of this thing succeeding but never of its failing before.

他曾多次听说这件事成功了，但从来没有听说过它的失败。

失败

1·In a way, I suppose I'm frightened of failing.

我想，从某种程度上来说我害怕失败。《柯林斯英汉双解大词典》

2·Children are worried about failing in front of their peers.

儿童都怕在同伴面前失败。《牛津词典》

3·The system is failing most disastrously among less academic children.

这种制度在学习不太好的学生中最失败。《柯林斯英汉双解大词典》

4·He had many a time heard of this thing succeeding but never of its failing before.

他曾多次听说这件事成功了，但从来没有听说过它的失败。

5·It is harder to predict how Mr Obama's proposed reforms to the failing health-care system will turn out.

很难预测奥巴马对失败的医疗保健系统所提出的改革会有什么结果。

衰退

1·One's memory is failing.;

记忆力衰退。《新英汉大辞典》

2·Her eyesight is failing.

她的视力日渐衰退。《牛津词典》

3·As my husband's body was failing, he became almost translucent. I went right through my own pain and felt the most intense peace. I can still find that.

当我的丈夫的身体在衰退，他变得几乎半透明起来。我超越了自己的痛苦，感到了最深重的平和。我还能感得到。

4·They go and read to people whose sight is failing.

他们给那些视力衰退的人读书听。

5·Then he noticed his bio signs: failing blood pressure, erratic heartbeat, electrolytes all wrong.

然后他注意到自己的生物信号：衰退的血压，不稳定的心跳，电解液失常。

不及格

1·I lived in fear of failing my final exams.

我生活在期末考试不及格的担忧中。《柯林斯英汉双解大词典》

2·As an example of the latter point, he notes growing efforts at major universities to tighten grading standards and restore failing grades.

作为后一点的例子，他注意到各大大学在收紧评分标准和恢复不及格成绩方面的努力越来越大。

3·They are usually failing.

他们总是不及格。

4·It wasn't long after that I realized I was now failing chemistry.

不久之后我就意识到我的化学快要不及格了。

5·When failing in the exam, we should not be sad all the time, instead of facing it and finding ways to improve it.

考试不及格的时候，我们不应该一直伤心难过，而是要找出方法来提高成绩。

失灵

1·If there are too many problems with your car (broken headlights, alternator not working, transmission failing), it might be wiser to get a new car.

如果您的车有太多的问题(车头灯坏了，发电机失效，变速器失灵)，那么购买一辆新车也许更明智一些。

2·The climate is changing, antibiotics are failing, and health care costs are soaring.

气候变化，抗生素失灵，卫生保健费用扶摇直上。

弱点

1·In this peculiar failing, and in the bashfulness with which a British person receives praise, I invite you to witness our national ambivalence to success.

在这一特殊的弱点上，在英国人受到赞扬时的羞涩中，您可以看到我们整个民族对成功的矛盾态度。

如果没有

1·Failing to recognize that, he notes, leads to an overly simplified view of what the solutions might be.

他指出，如果没有认识到这一点，就会导致“对可能的解决方案的看法过于简单化”。

2·Failing to understand that distinction could lead to errors and confusion down the road.

如果没有理解这一区别，在本文的后面可能会引起错误和困惑。

3·Failing to do so exposes the application server to numerous kinds of attacks because administrative actions are insecure.

如果没有做这些，就意味着将应用服务器公开给众多种类的攻击，因为管理动作是非安全的。

4·Failing to do so can increase communication difficulties and result in poor deliverables.

如果没有进行此工作，将增加沟通难度，导致较差的交付内容。

5·Failing him, we'll have to go there.

如果没有他，我们还得去那里一趟。

(1)failing grade失败；不及格分