1. shaking, trembling, pitching, rolling, oscillation

noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb

2. disturbance, unrest, agitation, excitement, commotion, turmoil, discomposure, feeling shaken

noun or participle which takes the aux. verb suru noun (common) (futsuumeishi) intransitive verb