Expressions used in Everyday Spoken English in Social and Professional contexts
As an adjective, something which 'concerns you' or is ‘concerning’ describes something which causes you to worry or spend time thinking about it. You could have a ‘concerning problem’ or a ‘concerning situation’, for example. You might respond to some news or an update with ‘that is very concerning’. As a verb something upsetting or unusual might 'concern you' or worry you. You can use these words in any context, social or professional.