throw
1.比较下面三句：
- He threw the ball to me. （他把皮球掷给我。）
- He threw the ball at me. （他把皮球向我身上掷来［要伤害我］。）
- He threw me the ball. （他把皮球掷给我。）
下面每组里的两句意思相同，不可把第一句里的to改作at：
- He threw a piece of meat to his dog.
He threw his dog a piece of meat. - He threw a cigarette to me, saying 'Have a smoke’.
He threw me a cigarette, saying 'Have a smoke’. - They hastened to throw a rope to the drowning man.
They hastened to throw the drowning man a rope.
2.throw a party（开联欢会）和throw a dance（开舞会）里的throw是俚语用法，含有“狂欢”或“热情奔放”的意思。
