bump into ,drive into ,knock into ,run into这四个词组的区别?

bump into ,drive into ,knock into ,run into这四个词组的区别? knock into 和run into的区别 knock into和bump into用法有什么区别? run into,come across,bump into有什么区别 smash into与knock into的区别 解释一下词组：run into come across sb / bump into sb / run into sb .都是偶然遇到某人的意思吗? knock into ,knock down 英语翻译bump into rush into 与run into 区别 run in 与run into的区别 run to 和run into的区别