我有急事找他英语怎么说

I have something urgent for him. 绝对地道。

I have some urgent matter for him

I have something important to meet him

I need him fast!

最正确简单明了

Hurry up! I need him.

I have something urgent looking for him
我有急事找他

I'd like to have a talk with him about something urgent.
我有点急事要跟他谈。