出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第209页（228字）
形容人办事干练，善于谋略，计虑深远，例这件事有老吴做参谋，他老谋深算，必定万无一失，你大可放心。
You are in good hands with such an astute and experienced“chief of staff”as old Mr．Wu．With him at the helm，nothing will go wrong．