C1162 Reason
However, how could Zhang Cheng believe what Chung Yuebai said? If there really was nothing going on, why would Chung Yuebai cry? Zhang Cheng also saw Chung Yuebai wiping her tears away as soon as he came in. Obviously, she didn't want him to know.
Zhang Cheng didn't intend to say that he could find out the reason why the first time around