It is particularly worrying that nobody seems to be in charge.

特别令人担忧的是，似乎没有任何人在负责。

《牛津词典》

It must be worrying for you not to know where he is.

你不知道他的下落一定很着急。

《牛津词典》

It's clearly related to Happiness. Worrying is an opposite of being happy and learning how to overcome worrying means learning how to be happy.

该书很明确的谈到了快乐，忧虑是与快乐相对立的，因此学习如何克服忧虑，就等于在学习如何让自己快乐起来。

youdao

"A lot of time homeless children's families are in chaos and homework is the last thing that parents want to be worrying about."

VOA: special.2011.01.27

You're too young to be worrying about such things but never mind.

你才这么小就开始想这些了

耶鲁公开课 - 博弈论课程节选

So when there is something to be done it just has to be done first, with the worrying and emoting and questioning to be taken care of later.

FORBES: Why Do The Japanese Handle Crises So Much More Calmly Than Americans?

Thus this case could be slightly more worrying to Apple than the previous one they had in China.

FORBES: Could Apple Lose The Patent To Siri?

Those are the big challenges the next RNC chairman needs to be worrying about.

CNN: GOP warned to embrace technology or face 'suicide'