赏心乐事

Explanation: Delightful: a joyous mood. Merry mood, happy things. 　　Source: Southern Song Xie Lingyun, "Ye Wei Taizi to be _set_ eight poems in the sequence" There is a really good time, beautiful, delightful, pleasure, and the four difficult. " 　　Examples: You see this thing Rang densely populated suburbs, are ~, really good fun too. (Yuan Wuhan Chen, "Yu Hu Chun" First off)