are you still there是指:你还在吗?
例句:
①If you don't like the job, why are you still there?
如果你不喜欢这份工作,为什么还呆在那里呢?
②Nathan, are you still there?
nathan你还在听吗?
③Sir, are you still there?
先生你还在听吗?
④Lt's john here. Are you still there? Yes. Hello?
我是简,你还在那里吗?是的,你好?