Environmental issues are among the serious concerns of the university.

By the 1870s this had become a matter of serious concern.

And there was serious concern for her in his eyes.

There is serious concern among the public about what day services will provide for those in need.

This must be a matter of serious concern for the Church.

This is the serious concern which we have in our committee.

And it is an issue of serious concern to us.

No one knows what effect that might have, but any large increase would be reason for serious concern.

"So we don't have any really serious concern on this matter one way or another."

"We have made very clear our serious concerns about China's record on human rights," she said.