His action is indicative of growing concern about the shortage of skilled labour.

他的行为显示对于熟练工人短缺现象的日益关注。

《柯林斯英汉双解大词典》

Even this, however, does not give him enough comfort for some things: he does not have an online banking account because of his concern about hacking risk.

但是，即便这样仍无法使他能够泰然接受某些事情：由于担心遭到黑客攻击的风险，他没有开设任何网上银行帐户。

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But concern has been raised about his safety after allegations that he had been severely beaten and tortured in detention.

由于有指责说，他在拘留中遭受毒打和折磨，于是对他的安全有了更多的关注。

youdao

(OMITTED) A lawyer from nearby Maryland, who did not want to give his name, engaged in an impromptu debate with Tea Party supporters and later expressed concern about some of their rhetoric.

VOA: standard.2010.04.15

It's out of loyalty to his work and concern about his family's safety, Bronstein said.

CNN: 'Nightmare' at home for SEAL who shot Osama bin Laden

He has been very clear about his concern about higher gas prices and higher oil prices, and what that means for American families.

WHITEHOUSE: Press Briefing

And on that point, when the President today talked about his concern about lone recruits being attracted to al Qaeda and their messaging, he talked about wanting to have some special efforts to break those kinds of -- that kind of appeal.

WHITEHOUSE: Press Briefing on Security Review