Definition of get or take or have the bit between or North American in one's teeth in English:

get (or take or have) the bit between (or North American in) one's teeth

Begin to tackle a problem or task in a determined or independent way.
More example sentences
  • I've got the bit in my teeth with this show and I'm very determined to take it as far as it will go.
  • Mencken believed that the human race would accomplish greater things if the halt and lame were left to themselves and the bright and swift took the bit between their teeth.
  • And one of the big questions is whether he's going to be able to really get the bit in his teeth.
See parent entry: bit

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Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
having an extremely offensive smell