2 Metaphors for tremble

When I have put on my shining cuirass and girded on the sword that Guigo lately gave me, the earth trembles beneath my feet; no enemy so mighty who does not forthwith avoid out of my path, so great is their fear of me when they hear my steps."

which Reason trembles to explore, She feels, be mercy granted or denied, 'Tis her's in dumb submission to adore.

2 Metaphors for  tremble