By the time the garage was finished, so was my car.

车库修好的时候，我的车也修好了。

youdao

By the time the ambulance arrived he was unconscious.

救护车赶到时他已神志不清。

《柯林斯英汉双解大词典》

By the time the police arrived, I was a nervous wreck.

警察到达时，我已经紧张得不行了。

《牛津词典》

Dentists say children should have their first dental visit at least by the time they are one year old.

VOA: special.2009.03.11

It takes so long that by the time the spaceship comes back, 100 years will have gone by.

去了很久，以至于宇宙飞船回来的时候，100年都已经过去了。

耶鲁公开课 - 死亡课程节选

Some of those kids will need coronary bypass surgery in their twenties; some of them will be blind by the time they're thirty.

这些孩子有的要在二十多岁时,做冠状动脉搭桥手术,有些人在三十岁的时候会失明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

By the time the first season began, more than 35, 000 people had signed up.

FORBES: Return Of The Rockies

But the fog had lifted by the time the cars and lorries were scheduled to start.

BBC: SPORT | Motorsport | Gordon back on top in Dakar rally

She had determined the man was dead by the time the attackers confronted her.

WSJ: Woman Tried to Reason With London Attackers