adj.眼花的；头晕的；轻率的；轻浮的
v.(使)眼花
They looked down form a giddy height. 他们从令人眩晕的高度往下看。
She felt giddy and then crumpled up. 她感到一阵头晕，随后就无力地倒下了。
He married a young and giddy girl. 他又娶了一个轻佻的年轻姑娘。
