If you want to stay at a hotel, you have to check in.

你想住旅馆，就得办理登记手续。

youdao

You'll check in at Kunlun Hotel next Friday to attend a meeting.

下星期五你到昆仑饭店去签到参加一个会议。

youdao

You'll check in at Kunlun Hotel next Friday to attend a meeting.

下星期五你到昆仑饭店去签到参加一个会议。

youdao