埋头于用英语怎么说？

埋头于

• up to the eyes，be wrapped up in

例句

• He was steeped in modern history. 他埋头于近代史的研究。
• He immersed himself totally in his work. 他埋头于工作中。
• He's really becoming immersed in his work. 他真的开始专心埋头于工作。
• His lunch did not take long to arrive and found him poring over a notepad covered with scrawls. 不久午餐就送来了，当时他正埋头于一本满是潦草字迹的记事簿。
• His reaction was to withdraw, to bury himself in work. 他的反应是抽身而退，埋头于工作。