wǎn bēizi kuàizi bù gānjìng huò diào dào dìshang kěyǐ zhíjiē qǐng fúwùyuán huàn

碗、杯子、筷子不干净或掉到地上，可以直接请服务员换。

If the bowls, cups, or chopsticks are dirty or dropped on the floor, you can directly ask the server to replace them.