Definition
an expression of anger used to demand someone's immediate departure.
滾开！
I never want to see you again, get out of my sight!
我再也不想见到你，滚出我的视线！
You disgust me, get out of my sight!
你让我感到恶心，滚出我的视线！
You better get out of my sight right now, or you will regret it.
你最好现在就滚出我的视线，否则你会后悔的。