But I just found out that my friends were planning a birthday party ofr my best friend, and they didn't invite me.

可是我刚刚发现我的朋友正在计划给我最好的朋友举办生日聚会，而他们没有邀请我。

youdao

But I just found out that my friends were planning a birthday party for my best friend, and they didn't invite me.

但我发现了我的朋友对我的最好的朋友计划一次生日聚会，并且他们没有邀请我。

youdao