心旷神怡

Explanation: Kuang open; Yi happy. Mind open and cheerful. 　　Usage: Joint type; as predicate, adverbial; with compliment 　　Source: Song Zhongyan "Yueyang Tower" Providence House also, there are relaxed and happy, hate, are forgotten, wine Lin Feng, who is also its radiant. " 　　Examples: And Den Tin House, see the boundless expanse of silver Tao, Qianshan cut Tsui, ~. ★ Qing Chen Chen, "Water Margin after the transfer," the forty-back Thesaurus:  pleasing