This optimistic prediction is not groundless.

这个乐观的预言，不是没有根据的。

youdao

In Nisstyre's opinion, these fears were not groundless.

在尼赛迪尔看来，这些恐惧并非毫无根据。

youdao

People have such a feeling is certainly not groundless.

人有这样的感觉当然不是毫无根据的。

youdao

Such fears are not entirely groundless if the recent conduct of some of Congo's neighbours is anything to go by.

ECONOMIST: A ravenous dragon | The

Hopefully such groundless sensationalism will not derail a regulation so clearly in the public interest.

FORBES: The Death Panel Boogeyman

Did the band want to preserve the mystique of this much-hyped performance to ensure a hungry and willing audience if there ever was a true reunion tour (probably a groundless concern with those 20 million lottery participants not going anywhere)?

FORBES: Led Zeppelin's 'Celebration Week', Part II (But No More Ramblin' On?)