So, this is becoming a serious concern.

所以，这已经成为一个严重问题。

youdao

This is and should be a cause for serious concern.

这成为而且应当成为我们严肃关注的原因。

youdao

This should be a serious concern for investors.

投资者应该严重关切。

youdao

The non-binding resolution expresses "very serious concern" at continuing reports of "systematic,widespread and grave violations of civil, political,economic,social and cultural rights,"

VOA: standard.2009.11.20

Auwal Ibrahim Rafsanjani speaks for the group. "This is just confirming the concern and fear that we have that this government is not serious about fighting corruption,".

VOA: standard.2009.04.18

It worked: no longer is there serious concern that French will disappear from North America.

ECONOMIST: Canada

Mr. McGee addresses areas of serious concern that have largely remained off the radar screen.

WSJ: Book Review: Attention All Passengers

In total it flags up 27 areas of serious concern, and makes a series of recommendations.

BBC: Therapy