We finished 15 minutes ahead of time.

我们提前15分钟完成。

《牛津词典》

I think he made a tactical blunder by announcing it so far ahead of time.

我认为他如此提早宣布消息是犯了战术上的错误。

《柯林斯英汉双解大词典》

Find out ahead of time what regulations apply to your situation.

提前弄清楚什么规定适合你的情况。

《柯林斯英汉双解大词典》

Anything in art,music or literature which is very modern or ahead of its time is called avant-garde.

VOA: special.2010.04.18

In some ways, Bourke-White was a woman ahead of her time.

VOA: special.2009.05.10

Talbott says special compensations to bank employees were all authorized by third-parties ahead of time.

VOA: standard.2010.07.23

Apple says this is the first time it has offered episodes ahead-of-time in this way, although previews of forthcoming series have been available in the past.

BBC: iTunes to preview Downton Abbey episodes in US

It also means defining--ahead of time--the specific partners, customers, stakeholders and media outlets that you will contact if bad stuff happens.

FORBES: Magazine Article

Both have new consoles out this year, and one ahead-of-time announcement is likely not enough for them to demonstrate all they want to show with their new products.

FORBES: Nintendo Skipping Major Press Conference at E3 This Year