乘兴而来，败兴而归

Explanation: Xing: interest, interest. Taking advantage of interest to, the result is a wet blanket back. 　　Source: "Book of Jin Hui Chuan Wang," people ask why, the emblem, called 'The arrive in high spirits, Xing Jin and anti, why see the On Road evil? '" 　　Examples: Feng Zhang Huaizhi with kai to Jinan, the middle of farewell, Feng President ~, from Beijing to go back. (Caidong Fan, Xu hut Father "Romance of the Republic of the popular" ninety-first back)