鸡口牛后

Explanation: Prefer to do small and clean the chicken beaks, rather than big and smelly cow anus. Analogy rather small in the situation where autonomy, do not want to listen to the situation where a large man domination. 　　Source: "Warring Korea policy": "Chen Wen vulgar language, saying: 'I would rather be mouth chicken, beef, after doing nothing'."