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to keep one's nose clean
01
to try to stay away from trouble
What is the origin of the idiom "keep one's nose clean" and when to use it?
The idiom "keep one's nose clean" is thought to have originated in the United States in the early 20th century. The phrase likely derives from the idea that a person who stays out of trouble or avoids wrongdoing tends to have a clean, unblemished reputation. This phrase is used to refer to an individual who avoids engaging in unlawful or morally questionable activities and behaves in a manner that avoids suspicion or wrongdoing.
Example
After serving time in prison, John was determined to keep his nose clean and lead a lawful life upon his release.
As a public figure, Sarah had to be cautious and keep her nose clean to maintain her pristine image and reputation.
The young student was always diligent in class, making an effort to keep his nose clean by avoiding any form of cheating or misconduct.
To secure a promotion at the company, Mark resolved to keep his nose clean, adhering strictly to company policies and ethical standards.
