• to be all in a tremble, to be all of a tremble, to shake all over, to shake in every limb
• bickering, flickery, quaking, quaky, quavering, quavery, shaking, shaky, shuddering, trembling, tremulous, trepidant, vibrant, wobbly
• quavering, quavery, shivery
• quakingly, shudderingly
• palpitation, quaking, quiver, shaking, shudder, shuddering, tremble, trembling, trepidancy, trepidation, trepidity, twitter