Can we have the bill please?

请给我们账单好吗？

Can I have the bill, please?

请给我账单。

Could I have the bill, please?

请把账单给我好吗？

Could I have the bill please?

请把账单给我好嘛？

Guest: Can we have the bill now?

顾客：我们现在可以结账吗？