1. 社交网络上的“关注”、“取消关注”:Did you follow me on Twitter?I just unfollowed you.2. 微信、Facebook上的“加好友”:Friend me on Wechat, and I’ll send you the pictures.Why did you unfriend me? I didn’t do anything wrong.3. 拉黑、屏蔽怎么说?You are on my blacklist now.I had no choice but to block her.Some people shield me on Wechat. I don’t know why.