They have failed lamentably.

他们的失败让人惋惜。

《柯林斯英汉双解大词典》

But for home lighting they have failed to sparkle.

但对于家庭来说，它的照明度却不能让人满意。

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However, in that case the failed nominees do know that they have failed.

然而，在这个例子中，那些失败的候选人却是的的确确知道自己的失败。

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Jean Mamboundou says opposition parties have failed to heed civil society's call for a single candidate because many believe they can win the election outright on their own.

VOA: standard.2009.08.28

Not only they have failed in bringing about positive change, they actually brought about negative change.

不仅没有实现正面的改变，实际上是带去了负面的改变。

哈佛公开课 - 幸福课课程节选

Some of your response papers that you'll hand in-- " none of them are graded; they are all just graded "pass/failed"-- you'll have to hand them in and then you'll pass.

一些你们要交上来的课后论文-,都不会被打分，都只会有“及格和不及格-,你们必须交论文，然后你们就及格了。

哈佛公开课 - 幸福课课程节选

If they are treated without respect, they tell themselves that they have failed to earn respect.

CNN: Germaine Greer: Guilt poisons women

But he's gone through 12 of these plans, and each time they have failed.

CNN: Transcript of Thursday's Democratic presidential debate

Will the expatriates make a difference this time when they have failed so many times before?

CNN: ASIANOW - Asiaweek | Business | A Foreign Solution