Definition
To engage with something with significant energy and enthusiasm; to become deeply involved in a task or project.
全力以赴
This research project is very complex, and I’m glad to really get my teeth into it.
这个研究项目非常复杂，我很高兴能真正投入其中。
She is very excited about her new position; she knows it's something she can really get her teeth into.
她对她的新职位非常兴奋；她知道这是她可以真正投入的事情。
The contract is massive, but they’re ready to get their teeth into it and get it done.
这份合约非常庞大，但他们准备投入其中并完成它。