(1)速く、不意に上下し、左右に動くまたは揺れ動く
(2)恐れまたは興奮から、発作的に震える
(3)tremble convulsively, as from fear or excitement
(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
