sink one's teeth into
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Also, get one's teeth into. Become fully engaged in, as in He couldn't wait to sink his teeth into that problem. This metaphoric expression alludes to an animal biting vigorously into its prey. [Early 1900s]
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Words nearby sink one's teeth into
sink in, sinking, sinking fund, sinking spell, sinkless, sink one's teeth into, sink or swim, sink through the floor, sinless, sinner, Sinn Fein
The American Heritage® Idioms Dictionary
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