Some of these trends are quite longstanding; however, they still cause a great deal of concern among our friends in infosec.

部分技术趋势已经出现了相当一段时间了；然而，它们仍旧引起我们的信息安全方面的朋友极大的忧虑。

youdao

The confirmation of H5N1 avian influenza in poultry in Africa is a cause for great concern and demands immediate action.

对非洲禽类中H5N1型禽流感的确认是引起极大担忧的理由并需要立即采取行动。

youdao

Children often tolerate fevers quite well, although high temperatures may cause parents a great deal of concern.

尽管高温也许会引起家长很大的担忧，其实小孩通常较能忍受发烧。

youdao

As it neared the South Atlantic, however,storms began to cause great concern.

VOA: special.2009.12.23

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

The leak of almost 100, 000 classified documents during time of war is cause for great concern.

FORBES: WikiLeaks And The Ongoing Beat Of The Cyberwar Drums

But human rights organisations say the situation in Karachi is increasingly dangerous and a cause for great concern.

BBC: Karachi political attacks kill 50, say rights groups

The move below the 80-week moving average gives us cause for great concern.

FORBES: Reaching Bottom With Bernanke's Help