Knock (one) off (one's) pedestal verb phrase
The noun "pedestal" can be replaced by "perch."
To make someone lose a prominent position.
Apple has knocked Samsung off its pedestal by surpassing in sales.
To cause harm to one's reputation.
The incident in London has somewhat knocked the mayor off his pedestal.
A terrible disaster or a catastrophe
To damage or try to damage something, typically refers to intangible things.
To destroy or put a full stop at something or make something utterly unsuccessful
To suffer harm, loss or damage by doing something risky
To cause damage or harm to someone or something.
The verb "knock" should be conjugated according to its tense.