I was just turning in.我正准备上床

turn in上床就寝

I want to turn in early tonight and get a good night's rest.

今晚我要早睡，好好地休息一夜。

Well, I thought the events of the day might be keeping you up.我想今天的事也许会让你睡不着

keep up保持 继续 维持

The house is becoming too expensive for them to keep up.

他们的房子维修费用贵得越来越修不起了。

The high cost of raw materials is keeping prices up.

原料费用昂贵使得产品价格居高不下。

No, it's the reporters that keep knocking on my door.就是记者一直在骚扰我

knock on敲(门、窗等)

Please do not enter before knocking on the door.

进来前请先敲门。

Jim sat up when he heard the knock on his bedroom door.

吉姆听到敲寝室门的声音时便坐了起来。