What happened in New York a week ago has added to calls for new laws to deny gun and explosive purchases to suspected terrorists.

VOA: special.2010.05.08

Many of them say it's remarkable that they were never pushed to the point where they want to gun at their classmates, because they feel like they know what kinds of experiences these young boys went through.

很多人认为不可思议,这两个凶手竟然会被逼到这个份上,拿着枪对这自己的同学，因为他们觉得他们知道,这些青少年男孩子们所经历的一切。

麻省理工公开课 - 媒体、教育、市场课程节选

But the court offered little guidance on what type of gun control can be allowed.

VOA: standard.2010.06.29