数米而炊

Explanation: Cooking: for cooking. Counting the rice to cook. Analogy care about a small profit. Also described the difficulties of life. 　　Usage: Partial official; as predicate; containing derogatory 　　Source: Qin Zhuang "Zhuangzi Gengsang Chu": "simple hair and comb, a few meters to cook, how selfish, almost enough to save the world indeed!" 　　Examples: Hoards gather Valley, Japanese subscribed to, with truly ~, firewood and Cuan said. (Ming Feng Meng "Jingshitongyan" Kango)