He knocked three times and waited.

他敲了三下门就等着。

《牛津词典》

I was sick three times in the night.

夜里我吐了三次。

《牛津词典》

He failed his driving test three times.

他考了三次驾驶执照都没通过。

《牛津词典》

In two thousand eight they had close to two million students -- nearly three times more than in two thousand.

VOA: special.2010.07.29

I am meowing three times and you can very quick--easily see perhaps that this very quickly could get messy.

我学猫叫三次,事情会立刻变得混乱。

哈佛公开课 - 计算机科学课程节选

And in fact, one of the lessons you may already be realizing with P sets is that things seem to take twice, three times, four times longer than you actually might think.

从习题集中你可能已经得出的一个教训就是,程序所花的实际时间往往是你开始以为的两倍，三倍，四倍甚至更长。

哈佛公开课 - 计算机科学课程节选

Philip, 91, has been admitted to hospital three times in the past 18 months after suffering health scares.

BBC: Duke of Edinburgh on three-day visit to Canada

In fact, she's visited the country three times in the past few years: Cancun, Cozumel and Mexico City.

CNN: Traveling abroad? Here's some advice after U.S. mom jailed in Mexico

Today, corn trades at three times the 1990s average, and 12.5% higher than its 1990s peak.

FORBES: Food Scarcity May Leave World Hungry Despite Growth