a cause for concern

基本解释

Where Mr Barlow and other cyber-Utopians found the separation between the real and virtual worlds exciting, however, critics regarded it as a cause for concern.
Barlow和其它网络乌托邦主义者们发现现实世界和虚拟世界是分离的，而这一点却正是互联网的反对者们所担心的原因。
Although the actual work progress will likely not follow this line, significant deviations are a cause for concern, particularly if the actual progress continues to trend away from the idea.
尽管实际的工作进展可能不会遵守这条线，显著的偏移会导致人们的关注，特别是在实际进展继续偏移理想条件时更是这样。
These values are a cause for concern and determining the biology behind this is the first step to remedy the trend.
这些可怕的数值是我们要研究其背后的生物学原理的原因，这是纠正这一趋势的第一步。

Prime Minister Abhisit Vejjajiva, who is traveling to the United States this week, told reporters prior to his departure the doctors had assured him the king's health was not a cause for concern.
So, if I wanted to cause you to feel moral concern for a fetus, I would do well to describe it as a pre-born child.
所以如果我想你对胎儿产生道德关怀，我最好就称它为未出生的婴儿。
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And the announcement a month later of a non-aggression treaty between Germany and the Soviet Union gave Tokyo even more cause for concern.

So the conclusion was gay partnering, you know, male partnering was, to some extent, a cause for concern.
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