贪多嚼不烂

Explanation: Yield to the temptation to eat, can not digest. Analogy to work or study, and do not figure more or can not absorb. 　　Source: Mingling 濛 first "half an hour Pai An Jing Qi," Volume children now what? Bite off more than it can chew out. " 　　Examples: Although Fen Chi is stronger, that class would rather work less, a ~, two body should also take care of yourself. (Qing Cao Xueqin's "Dream of Red Mansions" Di Jiuhui)