In European languages there's a phrase you can say when you or a waiter serves food. For example,
- bon appetit (French/English) - buen provecho (Spanish)
Does Chinese have a similar phrase?
The typical phrase spoken when serving food is
Like Semaphore said 请慢用 is good for very formal circumstances.
In less formal circumstances you can say something like 慢慢吃 - which basically has the same meaning. This can also be used among family and friends.
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