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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
What 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.
Example
Sarah's self-doubt and lack of confidence is often her own worst enemy, holding her back from success.
John's tendency to overthink things often makes him his own worst enemy, preventing him from taking action and moving forward.
Ignoring your health can make you your worst enemy.
The company's short-term focus and reluctance to invest for the future makes it its own worst enemy, hampering its long-term growth.
Negative self-talk can easily turn you into your worst enemy.
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