In Mary Oliver's poem "Hurricane," the repetition of the phrase "the back of the hand to everything" serves to highlight how both the speaker's life and the natural world respond to overwhelming and destructive forces. The most fitting interpretation of the repetition would likely be:
To show how both the actual hurricane and a metaphorical hurricane are similarly destructive.
This interpretation captures the essence of the poem, illustrating how various struggles—both natural and personal—can leave marks and create resilience in the face of adversity. Oliver often uses nature as a metaphor for human experience, making this perspective particularly relevant to her work.