They had concerns about the timing of the report.

他们对这个报道的时间安排有担忧。

《柯林斯英汉双解大词典》

In the meeting, voters raised concerns about health care.

选民在会上提出了对卫生保健状况的担忧。

《牛津词典》

Some people, however, have concerns about the safety of the uneaten food.

然而，有些人担心未食用食品的安全性。

youdao

In recent years, there have been growing concerns about the floating garbage and its effect on sea creatures and human health.

VOA: special.2009.09.22

I didn't see then the proliferations of these new instruments that reflect concerns about the current economic situation.

那时我并没有看到,这些反映,现行经济状况的。

耶鲁公开课 - 金融市场课程节选

Knowing what you know now, any concerns about taking the oral polio vaccine instead of getting the shot?

依据当前结果,你对口服疫苗替代,注射疫苗有何担心吗

耶鲁公开课 - 生物医学工程探索课程节选

They are thought to be fairly safe, although some experts have raised concerns about side-effects.

BBC: 'Give out statins with junk food'

Common concerns about keeping a city up all night relate to noise, traffic and alcohol consumption.

BBC: The cities that never sleep

Which? said 85% of people it surveyed had expressed concerns about rising fuel prices.

BBC: Fuel duty delay called for by Which?