1. concern
（1）n.所关心的人或事；担心，挂念
His greatest concern is the future of his daughter.
The report expressed the public’s concerne about/for the nuclear waste.
（2）v.与……有关；涉及；使……担忧
The lecture concerned the environmental protection.
What concerns us is that so many children in the area have dropped out of school.
concerned a.关心的(about),与……有关的(with)
