come up后面加什么介词

　　例句：

　　How do you come up with the names of your characters?

　　你是怎么想出你角色的名字的？

　　I was amazed that he'd come up with such a sweet idea.

　　我很惊讶他能想出这么好的主意。

　　Why don't you come up to Scotland for a few days?

　　你为何不上苏格兰来住几天？

　　You've come up against a powerful adversary.

　　你遇到了一个强大的敌人。

　　Have you come up against Harry much in training?

　　在训练的时候你和哈利有身体对抗吗？