I 'shudder' at the thought of what might happen. = 'I shudder to think' (of) what might happen. [=I am very worried/fearful about what might happen]
He 'shuddered' [='quivered, trembled'] 'with' fear when he heard the scream.
I felt a 'shudder' [='tremble'] in the floor as the truck drove by.
(..) under both Ford and Bush Senior as he discusses the New World Order: Looking at the subtitle this morning, Are we ready for the New World Order? gives me something of the shudders, that phrase New World Order I'm afraid I'm partly responsible for resurrecting. To me, what that symbolized (..)2009 Loose Change 9/11: An American Coup