kindly help make a success of it ❍ 他们双方已谈得差不多了，望老兄～。The two parties have talked it over and agreed on the major points. We hope you will help make a success of it.
玉成其事yù chénɡ qí shì
形容成全某事。help to complete a thing, kindly help make a success of it, bring it off finally