1、At checkout time a hotel guest will ask the front desk to prepare the final bill for payment.
結(jié)帳時(shí)，客人會(huì)要前臺(tái)準(zhǔn)備付款結(jié)算單。

2、By the way, what's the checkout time here?
順便問一下，什么時(shí)間結(jié)賬退房？

3、And we've also extended our checkout time to 2:00 in the afternoon.
我們把退房時(shí)間延長(zhǎng)到下午兩點(diǎn)。