He acknowledged that he didn't have any specific evidence but said that he had concerns.

他承认他没有确切证据，但他感到担心。

The official did not want to be identified and did not offer specific evidence of how the information was unfounded.

这名官员不愿透露姓名，也没有提供具体证据来证明这些信息是毫无根据的。

You infer information you feel the writer has invited you to grasp by presenting you with specific evidence and clues.

推理那些你认为作者通过呈现给你具体证据和线索而邀请你去抓住的信息。

The police have people who they suspect commit many crimes, and so when there's a crime they may go and talk to those people even though they don't have any specific evidence about them.

警察有他们怀疑犯下许多罪行的人，所以当发生犯罪时， 他们可能会去与那些人交谈， 即使他们没有任何关于他们的具体证据。

Congressman, I want to fill in some of the details here.Did your investigation find specific evidence that these companies have engaged in spying or espionage, or is it more that they might do something in the future?

国会议员，我想在这里补充一些细节。你的调查是否找到了这些公司从事间谍活动的具体证据，或者他们将来可能会做些什么？