baseless

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He just waited for the question and answer session, and then smoothly dismissed the allegations; “baseless” and “absurd”, he said.
他只是在等待记者答问时间，然后很轻松的否认了这种说法；“毫无根据”和“荒谬之极”，他提到。
And one of its foremost advocates, Dr. John P. A. Ioannidis, has just ascended to a new, prominent platform after years of crusading against the baseless health and medical claims.
最重要的支持者之一，约翰·P·A·埃尼迪斯，正把多年来对毫无根据的健康和医学主张进行讨伐的行动提升到一个全新的高度。
This fear, some might say, is necessary …it stops us from doing something stupid. But I’ve found most of these fears to be unnecessary, to be baseless, to be holding us back from achieving something.
这种恐惧,有人也许会说是必要的…因为它能阻止我们做傻事.但我发觉大部分这些对未知的恐惧是不必要而且没有基础的,是会阻碍我们实现目标的.

Workplace bullying can involve threats, baseless criticism,discrimination and favoring some employees unfairly over others.
We believe that her detention over so many years is baseless and not funded on any concern other than that she is a leader of the political opposition,"

"The allegation of a secret, unwritten agreement is totally baseless, " says Gary Naftalis, Winnick's lawyer.
FORBES: With a Winnick and a Nod
Concerns that globalization will wipe out the sari are not entirely baseless of course.
FORBES: Whose Sari Now?

If you describe an accusation, rumour, or report as baseless, you mean that it is not true and is not based on facts.