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one's (own) worst enemy
01
used to convey that a person is causing harm to themselves through their own actions, choices, or behavior
IdiomWhat is the origin of the idiom "be one's worst enemy" and when to use it?
The origin of the idiom "be one's worst enemy" is unclear, but it has been in use since at least the 19th century. It is commonly used to describe situations where someone is making choices that are detrimental to their own interests or well-being, despite knowing better. The phrase is often used as a warning or advice to encourage someone to change their behavior and avoid self-destructive patterns.
Examples
John's tendency to overthink things often makes him his own worst enemy, preventing him from taking action and moving forward.
Sarah's self-doubt and lack of confidence is often her own worst enemy, holding her back from success.
