workaholic

名词 workaholic:

1. person with a compulsive need to work

work.a.hol.ic

n.（名词）
One who has a compulsive and unrelenting need to work.
工作狂：难以抑制的和不松懈的需要工作的人

【引伸】
work.ahol.ism
n.（名词）