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to be no fool
01
不合理な決断をしない人
to avoid foolish actions through wisdom and good judgement
![to [be] (no|nobody's|no one's) fool definition and meaning](https://cdn.langeek.co/photo/42360/original/?type=jpeg "to [be] (no|nobody's|no one's) fool definition and meaning")
What is the origin of the idiom "be no fool" and when to use it?
The phrase "be no fool" is derived from the literal meaning of a "fool," which refers to a person who lacks intelligence or judgment. This expression emphasizes the importance of being vigilant and perceptive in dealing with others. It signifies the value of intelligence and discernment in avoiding deception or manipulation.
例
There is no fool like an old fool.
She's no one's fool when it comes to protecting her privacy.
He's no fool when it comes to negotiations.
She's nobody's fool when it comes to legal matters.
She's no fool and can see through insincere gestures.
