这些怀疑他们无法证实.用英语怎么说？

这些怀疑他们无法证实.

They were not able to prove these suspicions.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

able

adj. 能够的，有能力的，有才干的，干练的；

例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

prove

vt. 证明，证实，[法]验证，检定，显示；vi. 显示出，证明是；

例句
I have to prove myself as a respectable, balanced, person.
我必须证明自己是个正派、稳重的人。

these

adj. 这些的；pron. 这些；

例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。

suspicions

n. 怀疑( suspicion的名词复数 )，疑心，感觉，一点儿；

例句
The police said their suspicions were aroused because Mr Owens had other marks on his body...
警方说欧文斯先生尸体上的其他伤痕引起了他们的怀疑。