"Accident!" It was a cry of concern and sympathy from Kathleen's mother.

VOA: special.2010.05.15

Their concern was not the conditions of blacks but what slavery did to whites; and usually they ended up in the same situation as Colcott Jones.

他们从不为黑人着想,而只关心奴隶对白人的影响,他们最终的下场都与考克特.琼斯一样

耶鲁公开课 - 美国内战与重建课程节选

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

The discovery raised the level of concern that the invasive species was closer to Lake Michigan than previously thought.

VOA: standard.2010.07.20

There was no separate caste of priests and there was very little concern, I don't mean any concern, but very little concern with life after death which was universally important in other civilizations.

没有独立的教会阶层,城邦里的人们很少关注来生这个概念,很少关注,不是说完全没有关注,此观念在当时的其他文明中是极为重要的

耶鲁公开课 - 古希腊历史简介课程节选

Congressional concern was also heard in a separate hearing of the full House of Representatives Foreign Affairs Committee.

VOA: standard.2009.10.28

U.S.Treasury Secretary Timothy Geithner says China has taken steps to modify a controversial policy that was a source of growing concern among U.S.

VOA: standard.2010.05.25

Concern that Europeans are shunning the vaccine against the H1N1 virus was raised this week by the European Society of Clinical Microbiology and Infectious Diseases.

VOA: standard.2009.11.25

"So,I think that was a source of concern, maybe just a reflex sale."

VOA: standard.2009.10.15

Republican Representative Chris Smith was among seven members of Congress who wrote to Secretary of State Hillary Clinton expressing concern that programs promoting democracy, civil society and rule of law in Iran were being de-funded or halted.

VOA: standard.2009.10.28