Not based on fact or sound evidence; groundless.
没有事实根据的；没有理由的不基于事实或正确的证据的；无根据的
Population Adverse Selection:A Groundless Myth;
人口逆淘汰:一个没有事实根据的假说
if it finds that the application it not based on facts, it shall reject the application.
认定申请没有事实根据的，应当判决予以驳回。
His claim of Hester's historical existence is entirely unfounded.
他断定历史上有海斯特的存在，这是完全没有事实根据的。
We have to point out that your complaint about inferior quality is unfounded .
必须指出，你方关于质量低劣的抱怨是没有事实根据的。
The censure of the report on the ``maltreatment'' of disabled children by the Shanghai Municipal Welfare Home for Children is not based on facts.
该报告指责上海市儿童福利院虐待残疾儿童，是没有事实根据的。
That rumor has no foundation in fact.
那谣传没有事实根据。
That rumour has no foundation/is without foundation in fact.
那谣言没有事实根据.
Having no factual basis.
凭空的，站不住脚的没有具体事实根据的
I have no proof that what he said is the truth, but I take him at his word.
我没有根据证明他的话是事实，但我相信他的话。
factual claim [advertising]
有事实根据的声称〔广告〕
arguments that have a firm basis,ie that are founded on facts
有坚实基础（有事实根据）的论据
your fears have no basis in fact; how much of the story is fact and how much fiction is hard to tell.
你的担忧没有事实依据。
And what is worse is that there is not even factual evidence that the Greeks knew it at all!
而所糟糕的是没有事实上的证据，即希腊人确实根本知道它！
Without some facts to support you, you're on thin ice with that argument.
如果没有一些事实作为根据，你的论点是站不住脚的。
They came to the conclusion that he hadn't run out of their city,putting two and two together.
根据事实推断,他们得出这样的结论,他还没有跑出这座城市。
Thus, pursuant to Section 4 and in the case of a de facto director and a shadow director res-pectively, a person may be a director though not designated as such.
因此根据第4节，就实质董事和影子董事来说，一个人可能没有董事的职衔但仍是董事。
Their speeches sometimes lack facts and evidence.
他们的谈话有时欠缺事实根据。