I scarcely had time to ring the bell before the door opened.

我刚一按门铃，门就开了。

《牛津词典》

It was some time before the door opened in response to his ring.

他按过门铃后好一会儿门才打开。

《柯林斯英汉双解大词典》

There before the door stood a neat new chair, while the old man was busy making a second.

门前放着一把整洁的新椅子，老人正忙着做第二把椅子。

youdao

The two leaders reviewed Chinese troops before going in to closed-door talks.

VOA: standard.2009.10.13

The crowd outside the courthouse watched anxiously as one by one, each with a canvas-covered bed, backed up to a courtroom door and, out of the view of onlookers, deposited handcuffed defendants for a brief appearance before a judge.

VOA: standard.2009.05.25

Luckily, BYD got into the auto market just before the door slammed shut.

FORBES: Thanks, Now Move Over

Just before the door closed, though, he pulled some papers from under his shirt and handed me the report.

CNN: The Ghosts of Shanghai

"Before the door opened and he throws me to my knees, he and I were crying, laughing, at the jokes we were making, " Roberts said.

CNN: Dallas Roberts on the 'Walking Dead' finale