(1)震動であるかのように動く
(2)速く、不意に上下し、左右に動くまたは揺れ動く
(3)move with or as if with a tremor; "his hands shook"
(4)move or jerk quickly and involuntarily up and down or sideways; "His hands were trembling when he signed the document"
さらに詳しく
