One is that the scale of the effort is unequal to the task.

一方面这种程度的努力和重任本身是不相等的。

Hagrid did not emerge again, but smoke furled from the chimney, so Hagrid could not be so badly injured that he was unequal to stoking the fire.

海格没有再出现，但是炊烟翻滚着从烟囱里冒了出来。看来海格的伤势还不至于严重到没办法生火的程度。

Thanks to it, I was able to meet subsequent occurrences with a decent calm, which, had they found me unprepared, I should probably have been unequal to maintain, even externally.

多亏了它，我才能够以一种体面的冷静来应对随后发生的事情，如果他们发现我没有做好准备，我可能无法保持冷静，即使是在外表上也是如此。

She strove to raise herself, but her strength was unequal to the attempt: She fell back, and as She sank again upon the bed of straw, Lorenzo heard the rattling of heavy chains.

她努力想站起来， 但她的力气跟不上这个尝试：她向后倒去， 当她再次倒在稻草床上时， 洛伦佐听到沉重的锁链发出嘎嘎声。