I saw a girl throw herself on him.

我觉的这个 throw herself on him 用的真是好啊.. 这就是指女生作小鸟依人状 , 把整个人靠在男生身上. 有一次我听她们之间在谈我的室友就说了这么一句, "I saw her throw herself on him." 看来我室友也真是艳福不浅啊! 另外一句很类似, "That girl drapes herself all over him." 也是指整个人就趴在他身上.