比上不足，比下有馀

Explanation: That in the middle state. Described to meet the situation, Kan River, no progress. 　　Source: A phrase from the Jin Zhanghua "wren Fu": "wren nest in the mosquito eyelashes borer, Mirs Mi corner almost day will be less than the top down more than than. General view of night and day to ya, I know that the size and the like . "