Answer:
Go and click on the invitation bar and you can find an option written as " search friends ". Then it's easy to find that unknown user if you're pretty fond of his/her username and DP ( display picture ).
Explanation:
i asked a friend and we came up with this answer i don't know if it's right I've never tried to look up someone so try it out and see if it works if not ill try again
Answer:
嗨，兄弟，我不知道答案是什么，但我正在删除该应用程序
In the east Black and White cloud created Man and in the West Blue and Yellow cloud form Women.
You never really know what someone may be going thru/battling
I’m pretty sure that it’s C)annoyance cause the other answers don’t make sense
