From Longman Dictionary of Contemporary Englishbe beyond somebody’s power (to do something)be beyond somebody’s power (to do something)CAN'Tif it is beyond someone’s power to do something, they do not have the authority or ability to do it It’s beyond the power of the court to make such a decision. → power
Examples from the Corpus
be beyond somebody’s power (to do something)• I am afraid that is beyond my powers.• So he adopted the simple expedient of not opening it until it was beyond his power to act on it.• The taxpayer, it said, had not established that it was beyond his powers to obtain the information.• Then they discovered that this was beyond their power.• Unfortunately, I think it may be beyond my powers as a programmer to set up such a counterfeit world. 