I started down the dark, twisting stairway with Fortunato close behind me.

VOA: special.2009.02.07

because all we konw now it's orange alert, the alert level has gone up or gone down We don't really know what it goes on behind the scene.

我们都知道现在是橙色警报，警戒线时高时低,我们真的不知道,事情背后是如何处理的。

普林斯顿公开课 - 国际座谈会课程节选

A little farther down the line on Seymour Street, Erica Harrison from Calgary, Alberta stands in line behind a baby carriage.

VOA: standard.2010.02.17

And we need to form an even stronger partnership to bring down the walls of the 21st century and to confront those who hide behind them the suicide bombers, those who murder and maim girls whose only wish is to go to school, leaders who chose their own fortunes over the fortunes of their people,".

VOA: standard.2009.11.09