/bɪˈjɒnd ə ˈriːzənəbl daʊt/ – Phrase
Definition: Chắc chắn không thể nghi ngờ. (vượt qua mọi nghi ngờ hợp lý)
A more thorough explanation: the standard by which criminal guilt must be determined
Example: The jury could not find beyond a reasonable doubt that the employee had insider information and he was therefore acquitted of the crime of insider trading.