I rang the doorbell. Ding-dong! No answer.

我按了按门铃。叮当！可没有人回答。

《牛津词典》

At 5:30, I was at my parents' house ringing the doorbell, praying that Dad would answer the door.

五点半，我就来到父母家摁响了门铃。我暗自祷告老爸会应声开门。

youdao

I rang the doorbell. Ding - dong! No answer.

我按了按门铃。叮当！可没有人回答。

youdao

Or maybe you'd use the same gadget to answer the doorbell and talk to a visitor, even if you're half a world away.

CNN: Doug Gross,

"That's when you see people, when they go for a walk, they're being pulled by their dog, or when they open the door, just to answer the doorbell, the dog gets to the door first, " he explained.

CNN: 'Dog Whisperer' Cesar Millan on adopting the right dog