ONE PHRASE, IN CONTEXT
what's up
怎么了;有什么事;最近怎么样

GET TO KNOW THE MEANING
同一个表达,不同的语境。
01怎么了;有什么事;最近怎么样
IN A SENTENCE
You have checked your phone three times; what's up?
你已经看了三次手机了,怎么了?
02怎么了;有什么情况(常用于 what's up with...)
IN A SENTENCE
You look a little worried. What's up?
你看起来有点担心,怎么了?
