恒星口语讲堂:"拖拖拉拉"用英语怎么说?

4. How much longer do you need to get all this stuff done? 你还要多久才能把事情做完？

Note: "How much longer" puts emphasis on the length of the time (sometimes with an air of annoyance or impatience), while "How long" is a neutral expression simply asking for the numerical figure.