4 sentences

1. 服务员，请帮我们结账。

   fú​wù​yuán, qǐng bāng wǒ​men jié​zhàng.

   Waiter, please bring us the bill.

   Source: Dong Chinese Dictionary

2. 他招手叫来侍者，要求结账。

   tā zhāo​shǒu jiào lái shì​zhě, yāo​qiú jié​zhàng.

   He beckoned the waiter over and asked for the bill.

   Source: Dong Chinese Dictionary

3. 超市里有很多自助结账柜台。

   chāo​shì lǐ yǒu hěn​duō zì​zhù jié​zhàng guì​tái.

   There are many self-checkout counters in the supermarket.

   Source: Dong Chinese Dictionary

4. 请去柜台结账。

   qǐng qù guì​tái jié​zhàng.

   Please go to the counter to pay.

   Source: Dong Chinese Dictionary