Some Middle East analysts say it is no secret that the Gaza blockade has not significantly weakened Hamas, which Israel and the United States say is an Iranian-backed terrorist organization.

VOA: standard.2010.06.10

I heard that there are some secret communities in U.S. universities. How about Yale?

我听说在美国大学里有一些秘密的社团，耶鲁大学有这样的社团吗？

耶鲁对比哈佛 - SpeakingMax英语口语达人

Today, I'm going to pick up on some of those other scenes that he mentions as his secret points of delight in the novel.

今天，我将与你们分享一些,有关纳博科夫提及的其它令他愉悦的,小说里的神秘场景。

耶鲁公开课 - 1945年后的美国小说课程节选

They were on their way to attend a memorial service to commemorate the murder of some 22,000 Polish military officers and civilians who were massacred by the Soviet Union's secret police during World War II.

VOA: standard.2010.04.12