Definition of get or sink one's teeth into in English:

get (or sink) one's teeth into

Work energetically and productively on (a task): the course gives students something to get their teeth into
More example sentences
  • With over 30 clubs and societies to choose from, there is plenty on offer in Sligo IT for students to get their teeth into.
  • And literary fiction has to have something that the present or prospective PhD students can get their teeth into.
  • It's meaty material and I think any actor loves to do stuff you can sink your teeth into.
See parent entry: tooth

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Word of the day setose
Pronunciation: ˈsiːtəʊs
adjective
bearing bristles or setae; bristly