加好友英语怎么说

~may I add you?

这要看语境了 如果是真实情境 可以说make friends with someone 如果是针对通讯软件 可以说add someone to the friend list

I have already added you as a friend.ORI have already accepted your request to be my friend.ORYou are already on my friends' list.第一句直译，但也能懂；第二、第三句更符合外国人语言习惯和逻辑思维。

add as friends add sb. to my friends' list.

Howtoaddfriends。。这个，对的，你还有不会的去搜有道翻译，可以翻译的