be at fault

基本解释

Since the Paris Declaration on Aid Effectiveness, donors recognize that their own policies can be at fault.
自《援助实效问题巴黎宣言》以来，捐助者已经意识到他们自己的政策也可能有问题。
Neither the original Lepper-Iyengar experiments nor the new study appears to be at fault: the results are just different and we don't know why.
无论是莱普-连格最初的实验，还是这项新的研究，似乎没有问题，但结果就是不同，而我们不知道原因何在。
Nowadays it is the lender as much as the borrower who is perceived to be at fault for extending credit to those who should never have been granted it.
现在，人们发现，那些借贷方和贷款人一样负有责任，因为他们将贷款给了那些根本不应该给的人。

I think that we should be very careful not to let that deflect us from the recognition that this is important technology and that it's not the technology that's at fault; we have to get it right and then it will be powerful.
但我认为,我们应该警惕,不要因此对金融产生误解,事实上金融是门重要的应用技术,而且这一切并不是科技本身的错,我们应该完善这项技术,使其发挥正面作用
耶鲁公开课 - 金融市场课程节选

Private insurers cannot be at fault for all of these scams, but private insurance can be used as a vehicle for tricking seniors into spending money unnecessarily.
FORBES: Scammers Delight: Medicare Open Enrollment
Observers outside the room listened through speakers as the workers were instructed on how to re-enact the November vote, in an effort to see if the machines might be at fault.
NPR: Congress Plans to Address Electronic Voting