Как по Английски будет hors de tout doute

idiom

If you know or believe something beyond a shadow of a doubt, you are certain that it is true

Примеры использования:

He is responsible beyond a shadow of a doubt.

phrase

If a legal case or a person's guilt is proved beyond a reasonable doubt, there is enough proof for the person accused of a crime to be judged guilty

Примеры использования:

Her guilt was established beyond a reasonable doubt., a jury found unanimously that there was proof…