1、全神贯注于
) be engrossed in（全神贯注于）, 醉 心于(贬义)be infatuated with（迷恋于，被…
2、全神贯注于某事
全神贯注于某事(be engrossed in), 此释义来源于网络辞典。
3、全神贯注
...be discharged from 释放，解雇be engrossed in 全神贯注be adept at 擅长 ...
4、埋头
...be absorbed in 全神贯注于， 专心致志于; 出神; 只顾;be engrossed in 埋头;be lost in 陷入; 全神贯注于，沉湎于，不胜…之至; ...
be engrossed in A在A方面全神贯注
be engrossed in thought埋头深思
be engrossed oneself in thinking专心致志于思索
be engrossed in a book看书看入迷了
be engrossed in one's work全神贯注于工作