英语笑话:"Pull over" and "pull-over" 靠边？套头衫？

"Pull over" and "pull-over" 靠边？套头衫？

A cop spotted a woman driving and knitting at the same time. Coming up beside her, he said, "Pull over!"
警察看到一个女人一边开车一边织毛衣。警察走近她，说道：“把车贴边。”

"No," she replied, "a pair of socks!"
女人说：“不是，是一双袜子！”

Note:pull over 作动词的时候意思是靠岸、开到路边；做名词的时候是套头衫。