Sink [one's] Teeth Into
含义：认真地开始做某事
例句：
A: I just can't find time to finish my MBA course. Too busy with work!
B: Look mate, if you are not going to sink your teeth into that, you should just pull off. Your MBA course has lasted for 5 years now and you're not even half way through yet!
评论
I’ll be sinking my teeth into my daily work after another 10 mins wandering here..
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