I'm wondering if there's an idiom similar to an idiom in Czech. In Czech, it's 'Vylámat si na něčem zuby' ~ 'To break one's teeth on something'.

To try and do something but failing nonetheless. It's almost always used after the fact, but it can be used as a warning too.

'He tried to untighten the screw and spent all day on it and still nothing. He broke his teeth on it.'

1 Answer 1


Are you looking for bite off more than you can chew?

To try to do something that is too difficult for you:

We bit off more than we could chew in our original reform proposals.

[Cambridge Dictionary]

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