He also expressed concern over reports of rebels shooting those trying to flee to safety.

VOA: special.2009.05.16

Or in situations where you have concern for your safety or for other's safety.

或者当你在为自己或他人的安危感到担忧时，都可以使用这个句型。

I'm worried 课堂 - SpeakingMax英语口语达人

I'm concern about our safety "Maybe we should go some place else."

我觉得这儿不安全，“要不然换个地方吧。”

Let's 课堂 - SpeakingMax英语口语达人

The result was a design in which safety was the top concern.

VOA: special.2009.12.30

He says he is pleased with the results, noting the captain's safety was the top concern throughout the crisis.

VOA: standard.2009.04.13

"The U.S.has legitimate concern regarding the safety of Pakistan's nuclear program."

VOA: standard.2010.07.08

For South Korean officials, his detention without visiting rights or legal counsel is a key concern, because it reflects upon the overall safety of several hundred corporate managers in the zone.

VOA: standard.2009.06.05

However,concern is mounting for the safety of civilians.

VOA: standard.2009.04.06