If you are engrossed in something, it holds your attention completely.
例句
Tony didn't notice because he was too engrossed in his work.托尼因為太專注于自己的工作而毫未察覺。
英漢詞典釋義
adj.
全神貫注的,專心致志的
He seemed completely engrossed in his book.他好像完全被他的那本書迷住了。The student is engrossed in his book.這名學生正在專心致志地看書。
英英詞典釋義
Adjective
1. wholly absorbed as in thought;
"deep in thought""that engrossed look or rapt delight""the book had her totally engrossed""enwrapped in dreams""so intent on this fantastic...narrative that she hardly stirred"- Walter de la Mare"rapt with wonder""wrapped in thought"
2. written formally in a large clear script, as a deed or other legal document