what is going on?等于什么?

what is going on?等于什么? what is going on what is going on here What hell is going on? What the hell is going on here?什么意思啊? What the hell is going on?是什么意思 what is going on如何回答? what is your brother going to on What is going on with his work? what is going on with you what is going on?是啥意思? what is going on with them/