开怀畅饮

Explanation: Cheers: feeling nothing binding, very fun. Metaphor open mind, enjoy drinking. 　　Source: Yuan Anonymous "radio text Liu pill" is their third section arranged Jiuyao, and all the adults enjoying each Dragon Boat Festival, happily drinking. " 　　Examples: Li Kui and I do not know is the total they simply ~, Song Jiang told the whole do not remember the words. ★ Ming Shinai "Tales of" back forty