workaholic

My boss is a total workaholic who stays in the office until midnight every day.

(Chinese) 我的老板是个十足的工作狂，每天都在办公室待到半夜。

The doctor warned the workaholic that his constant stress was affecting his heart health.

(Chinese) 医生警告这位工作狂，他持续的压力正在影响他的心脏健康。