go for Anglais:

Excessive concern with safety can be dangerous.

statement concerning

Your concern for Her Eminence is appreciated and acknowledged. Your questions primarily concern genuine legislative committees.

The 'deep concern' of the Romanian parliament is completely unfounded and unjustified.

The impact of Emmet's theory on physics has been widely discussed, but this is not my concern in this paper.

Well then, it becomes a matter of urgent concern to the lurkers of this mailing list whether the guilty party confesses or not.

No, please don't concern yourself. I have learnt to do as the Romans when in Rome.

The loss of childhood spontaneity has caused widespread concern, as well as calls for review of the nation's educational and social structures.

We insist that during the next three days you make decisions which are fair to all generations and which show an active concern for the environment.

Where our children's education is concerned, no compromise is acceptable.

concerning decent conduct

There were lots of people on Facebook and others going out to look for him, so people were very concerned for him.

I think that his visits are the only real chance I get to talk about things that are worrying me - my health, my concerns about my grandson and his future, how to keep going

The safety of the ship is the captain's concern. The budget overspend is a matter of concern. The decision will concern mainly small businesses.

The recent rise in crime is a matter of considerable public concern.