"If the monsoon basically fails or is a very weak one, the trees affected by monsoons at that location might put on a very narrow ring.

VOA: special.2010.05.25

One of the reasons for thinking it's not clear whether the argument fails or not is because it's hard to pin down, where exactly did it go wrong?

并不能确定这个论证是否成立,的其中一个原因就是,我们很难确定,到底是哪里出了问题

耶鲁公开课 - 死亡课程节选

It's a virulent strain that occurs when a person with TB fails to complete the six to nine-month course of medication or catches TB from another person who is ill with a drug resistant-strain.

VOA: standard.2010.07.12

"The report also fails to deal adequately with the asymmetrical nature of the conflict or to assign appropriate responsibility to Hamas for its decision to base itself and its military operations in heavily populated areas,".

VOA: standard.2009.09.29