That is a cause of great concern here because Iran's President, Mahmoud Ahmadinejad, has threatened to wipe the Jewish state "off the map."

VOA: standard.2009.08.06

This was of great concern because the number of polio cases shouldn't go up as the vaccine is being even more actively distributed through the country, so what happened?

这个现象让人担心,因为小儿麻痹症的发生数量,不应该在疫苗全国范围内普及后,反而有所上升,那么到底发生了什么

耶鲁公开课 - 生物医学工程探索课程节选

In an effort to get more to keep the economy from collapsing at a time when at a time of great concern about the structure of the financial system.

在一种得到更多的努力中,预防经济在一种时期中崩溃，这个时期是,人们都很担忧,金融系统的结构。

耶鲁公开课 - 金融市场课程节选

Federal Reserve. "This is of great concern to us at the central bank."

VOA: standard.2010.04.21

On a related issue, spokesman Rupert Colville says the situation of one-quarter of a million displaced Tamils living in internment camps continues to be of great concern.

VOA: standard.2009.10.25

Assistant Secretary Posner said the United States supports Saudi King Abdullah's initiatives for interfaith dialogue, but that religious freedom in that country remains a subject of great concern.

VOA: standard.2009.10.26

These speeches caused great concern among many of the traditional business and conservative leaders of the nation.

VOA: special.2011.03.31

He said that was of "great concern" because the United States considers Hamas a terrorist organization.

VOA: special.2010.06.05