That's great. But I guess I'll have to invite someone else to brunch this weekend. Oh, well. Bon appetit!

很不错啊，看来这周末我只能邀请别人一起吃早午餐了。那你享受代餐吧！

Have a good trip!; Bon voyage!

一路平安！

Have a good journey!; Bon voyage!

祝你一路平安！

It is quite adequately furnished but I wish it to be in really bon ton.

家具很齐全，但我希望它真的很时髦。

A bon vivant is a person with cultivated, refined, and sociable tastes, especially with respect to food and drink.

美食家是有教养、雅致而爱交际的人，尤其在美食美酒方面很有品位。

The soup is ready - bon appetite!

这汤就做好了——祝您好胃口。