Trading was very light ahead of yesterday's auction.

昨天的拍卖之前交易很少。

《柯林斯英汉双解大词典》

He could discern a faint light ahead in the forest.

他能看到前面森林里有一线微弱的灯光。

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If the light ahead is red, the driver is told the optimal speed to avoid stopping and idling.

如果前面的交通灯是红的，就会告诉司机一个最佳车速以避免停车和挂空挡。

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In most places in the world, a green light is a signal to move ahead.

VOA: special.2010.05.23

And the reason is, and this will come up on the problems and a lot of students end up using this equation, which is why I want to head it off and mention it ahead of time, we can't use an equation because this equation is very specific for light.

原因是，很多同学在解题时,都会用这个方程，所以我要,事先提醒你们一下,我们不能用这个方程，因为它只对光是用。

麻省理工公开课 - 化学原理课程节选

You might notice her but you can't really stop and let her go if there's a 10-ton truck on your tail, especially if there's a green light ahead.

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Trading was light ahead of the long weekend.

NPR: Stocks Barely Budge; Market Ends Week With Loss

"The technology is light years ahead of the legislation and the police know-how, " he said.

CNN: New Interpol chiefs to tackle cybercrime