As he thus sat, his eyes would keep open no longer, and he felt a desire to sleep.

当他坐着的嘶吼，他的眼睛再也睁不开了，他想睡觉。

At this time of the year our shops keep open to all sorts of hours.

每年这个时候，我们的商店任何时候都营业。

How long do the shops keep open?

商店开门多长时间了？

Some shops keep open beyond midnight.

有些商店营业到半夜以后。

Some shops keep open beyond midnight.

有些商店营业到午夜。