be unequal to the task/job etc
From Longman Dictionary of Contemporary Englishbe unequal to the task/job etcbe unequal to the task/job etcGOOD ENOUGH#to not have enough strength, ability etc to do something → unequalExamples from the Corpusbe unequal to the task/job etc• The country is in such disorder that a successor may be unequal to the task of putting it right.