1·I'll call the hotel. I'll tell them we'll check in tomorrow.
我会给旅馆打电话，通知他们明天我们将登记入住。
—— 《柯林斯英汉双解大词典》
2·Passengers with hand luggage can go straight to the departure gate to check in there.
携带手提行李的乘客可以直接到登机口办理登机手续。
—— 《柯林斯英汉双解大词典》
3·Please check in after 1:00 pm tomorrow.
请在明天下午1点后入办理入住手续。
4·Please check in half an hour prior to departure.
请在起飞前半小时办理登机手续。
5·I put a check in the envelope and taped it back to the bin.
我把一张支票放在信封里，并把它粘回垃圾箱上。
6·I only have thirty minutes to clear customs in getting to the city center and it means I have to check in by five-thirty, which means leaving home at about four fifteen.
我只有30分钟的时间来办理去市中心的海关手续，这意味着我必须在5点30分办理登机手续，也就是说我必须在4点15分左右离开家。
7·Where do I check in my code?
我该把代码检入到哪里？
8·I don't know when I can check in.
我不知道何时能去登记。
9·Good morning, I'd like to check in.
早上好，我想办理住房手续。
10·You can then check in your document.
然后便可以签入文档。