bīn​zhǔ​jìn​huān

guests and hosts alike enjoy themselves

宾主尽欢 賓主盡歡 bīn​zhǔ​jìn​huān
guests and hosts alike enjoy themselves
(idiom) both the guests and the host are thoroughly enjoying themselves; used to describe a gathering where everyone is having a wonderful time
congratulatory phrase
used as a formal inscription to congratulate the opening of a hotel, restaurant, or similar establishment