你要好好的，那样我才能放心离开 You must take care of youself that I can leave without worry. 或：You must take care of yousef, so I can rest assured to leave.
Be good,so that I can rest easy to leave.如果我帮到了楼主你的忙希望楼主可以采纳为最佳答案哈,嘻嘻
You want to have a good, so I can rest assured to leave
