Tired. Barbecue shop waiters belong to the service industry. Usually, the catering service industry has long working hours, and the work is very complicated when there is a large passenger flow during peak hours. So the wine-picking barbecue waiter was tired. Waiters originally refer to people who provide services in a certain range in a fixed place, including waiters and waitresses. Now it usually refers to people who provide necessary services for guests in hotels, restaurants, KTV, shopping malls and other catering and entertainment places.