engage in (something)
参与某事（尤指活动、讨论、行为等）
They engaged in a heated debate about climate change.
be engaged in (something)
正忙于/从事某事（强调状态）
She is currently engaged in writing a novel.
engage with (someone/something)
与……互动、交流；认真对待（问题、观点等）
The teacher encouraged students to engage with the material critically.
engage someone's attention/interest
吸引某人的注意力或兴趣
The speaker’s story quickly engaged the audience’s attention.
fully/deeply engaged
全身心投入（常用于描述专注状态）
He was so deeply engaged in his work that he didn’t hear the phone ring.
engage a service/professional
聘请（服务、专业人士）
We engaged a lawyer to handle the contract.