1 sentence

1. 永远不要打响指、吹口哨或对服务人员大喊大叫来引起他们的注意。

   yǒng​yuǎn bù​yào dǎ xiǎng zhǐ, chuī kǒu​shào huò duì fú​wù​rén​yuán dà​hǎn​dà​jiào lái yǐn​qǐ tā​men de zhù​yì.

   Never snap your fingers, whistle or yell at service staff to get their attention.

   Source: CCMatrix