英语短语“偶然遇到”怎么说?我知道有一个好像是come across,有only to meet 还模糊记忆到好象有一个含run 的短语,run to meet?请帮我讲一下哪个是对的?还有哪些呢?

偶然遇到..
1.run into
.
run into 跑进；偶然遇到；共计 .
2.knock into sb.
knock into sb.撞到某人身上；偶然遇到
3.run across
run across偶然遇到
4.come up against
come up against 偶然遇到
run across偶然遇到
come up against 偶然遇到
偶然遇到某人..run into sb
run into sb 偶然遇到某人 ...
meet meet with 偶然遇到,符合
happen on偶然遇到或发现
happen to碰巧,偶然 ...
runinto偶然遇到,撞上；共计
dump into 意外碰到,偶然遇到
Run across 偶然遇到/动词词组
stumble on/upon/across偶然发现,偶然遇到