一至于此
      Explanation: Actually to the point.
      Source: Southern Emperor Jianwen "and Xiang Dongwang book" writings ruthless, allowed to shake Ca. Shen Yi zai! Man of the cross-flow, an As for this! "
      Examples: Our ancestors are very rich and powerful, why are poor and weak ~ it? ★ Sun "determined to do great things for students to not do high official"