愉快
happy;joyful;cheerful;pleased;delighted
祝你在中国逗留期间过得~。I hope you’ll have a pleasant stay in China./见到你很~。I am delighted to see (or meet)you.or:Happy to meet you./和老朋友在一起相聚,感到很~。I’m delighted to be with our old friends (or to be in the midst of our old friends)./祝你旅途~。I wish you bon voyage (or a pleasant journey or trip)./过得~enjoy oneself,have a good time/心情~ be in a cheerful frame of mind/在此~时刻on this joyful (or happy)occasion/~地接受邀请accept an invitation with pleasure/~的微笑a happy smile