签到

They booked in at the moment they arrived at the office.

他们一到室就签到。

When we arrive at the office each morning we have to sign on the dotted line.

我们每天早上到室的时候, 得在签到簿上签到。

Most of the workers had already rung in by the time I arrived.

到我的时候为止, 大多数工人都已签到。