The allegations were totally unfounded...是什么意思？

The allegations were totally unfounded...

这些指控完全没有事实根据。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

allegations

n. 陈述( allegation的名词复数 )，宣称，陈词，指控；

例句
...baseless allegations of drug taking.
毫无根据的吸毒指控

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。

totally

adv. 完全，整个地，全部地，百分之百，干净；

例句
Their relationship was totally asexual.
他们之间的关系根本与性无关。

unfounded

adj. 无事实根据的，无基础的，未建立的，未确定的；

例句
They have been reluctant to admit AIDS patients, in part because of unfounded fears of contagion...
他们一直不愿接纳艾滋病患者，部分原因是无来由地害怕被接触传染。