He just took it for granted that he would pass the exam, but to his surprise, he failed it.

他想当然地认为自己能通过考试，但让他惊讶的是，他挂科了。

youdao

I thought it was easy, but John said he failed it.

我认为很简单，但是约翰说他考不及格。

youdao

If he failed, it could be a bitter disappointment to his parents.

如果他失败，那将会使他的父母失望。

youdao

And even if the rebellion failed, he predicted that it would lead to a civil war between the North and the South.

VOA: special.2009.06.25

He says the class action failed because it did not target a single action or policy by Wal-Mart.

VOA: special.2011.06.24

Tom Daschle made the decision after it became widely reported that he had failed to pay over one hundred forty thousand dollars in taxes.

VOA: special.2009.02.06

We now know there was a deal available, and he failed to make it.

NPR: Filibuster Fight Might Move to High Court Nominee

Bentham initially claimed he had been going at "roughly 60mph" at the time of the accident and that Dr Howells' van was showing no rear lights, so that he failed to spot it.

BBC: Richard Benthan

In Belfast Boruc conceded an own goal when a back pass bobbled as he went to kick it, while he failed to deal with the cross that resulted in Northern Ireland's opening goal.

BBC: Boruc dropped from Poland squad