There was no absolute proof.

没有确凿的证据。

《牛津词典》

There was no proof of any kind.

没有任何证据。

youdao

There is no conclusive proof.

没有确凿的证据。

youdao

Still,Morrell says while the investigation faults the bomber's crew for violating procedures, there is no proof that resulted in civilian casualties.

VOA: standard.2009.06.08

because there actually is no proof of any social deviance or destruction of people with it.

因为没有证据真正表明同性恋者有任何社会异常行为和破坏力。

给我结婚的自由 - SpeakingMax英语口语达人

And he knows no landfill liner system is completely leak-proof, meaning there is some possibility that the industrial quantities of waste coming from the oil cleanup could pollute local underground water supplies.

VOA: standard.2010.08.05

There is NO proof that there is a growing trend that someone HAS to have a Facebook profile to be considered real.

FORBES: Connect

The men's defence team argued that there was no case to answer, because the property was not residential and that there was no proof the men were living in the building.

BBC: Three men in court over Brighton flat squatting

Israel says there is no proof it was behind the killing in Dubai in January.

BBC: Israeli diplomat expelled over UK passport 'misuse'