牛不喝水强按头
      Explanation: Analogy with the compulsion to succumb.
      Source: Qing Cao Xueqin's "Dream of Red Mansions" Yuanyang Road, forty-sixth back 'home daughter how? Cattle are not strong according to the first draft of "? I do not want to, can I kill my Mother no! '"
      Examples: Tongzhou year big men and women swept the countryside crop of foreign students, met the man did not cut it ~ queue, click, bang out back of the head of the pig tail hinge. ★ Liu Shaotang "Pin's funeral Story"