瘦羊博士
      Explanation: Refers to people who can self-denial.
      Source: "Later Han Zhen Yu Chuan": "Jianwu in [Chen Yu] for the state engaged in, sign Bai Boshi." Lee Hyun-note cited "Dong Guan Han Ji": "Jianwu each December, a decree giving Dr. sheep. the sheep in size too fat. Dr. libations when proposed, Yusha sheep sub-meat, ... ... the first self-created buildings for the most lean, is no longer there by the contentious. "
      Examples: How many passengers Chang assiduously, ~ good at romantic. Wang Shi Qing Municipal ★ "Yuyang Poetry" volume