She heard the doorbell ring, and knew that meant a visitor had arrived, but she was greatly surprised when Mr Darcy, and Mr Darcy only, was shown into the room.

她听到门铃响，知道有客人来了，但她见到达西先生，并且只有达西先生一个人被领进屋时，感到奇怪极了。

youdao

It was well past nightfall one evening when we heard the doorbell ring.

一个黄昏过后的傍晚，我们听见有人按门铃。

youdao

She was preparing for bed when she thought she heard the doorbell ring again, and again her first thought was that it had to be Ilsa, come to apologize.

NEWYORKER: The Valetudinarian