Значение идиомы burn one’s fingers

[burn one’s fingers] {v. phr.}, {informal} To get in trouble doing something and fear to do it again; learn caution through an unpleasant experience.

He had burned his fingers in the stock market once, and didn’t want to try again.

Some people can’t be told; they have to burn their fingers to learn.



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Значение идиомы burn one’s fingers