半上半下

Explanation: Means between the two can be. 　　Source: "Zhu book" Volume Ten: "Three years without change, that is something under the bottom half of the first half, when the change in the person, but not Congju radical change it." Curly nineteenth: "it is easy to sub-micro than dry is simply dead, he (Chi-tzu) in the semi-half Xiachu, most are not. "