Sentence examples for Serious concern from inspiring English sources

This is a serious concern.

That is a serious concern".

That's a serious concern".

Russia expressed "serious concern".

Meanwhile, wages are a serious concern.

Airliner hijacking had become a serious concern.

Team health remains a serious concern.

"And that is a serious concern.

That's a very serious concern.

"It's a very serious concern," he said.

And there's another, more serious, concern.