0 worried: --
Concerned parents have complained about the dangerous playground.
[ + to infinitive ] He was concerned to hear that two of his trusted workers were leaving.
[ + (that) ] Aren't you concerned (that) she might tell someone?
It never pays to take risks where human safety is concerned.
The well-known humanitarian, Joseph Rowntree, was concerned with the welfare of his employees.
He's a bit of a dilettante as far as wine is concerned.
Today, people are much more concerned about their health than they were in the past.
In the movie, he plays a concerned and sensitive father trying to bring up two teenage children on his own.