Definition
To make someone work extremely hard, often in a way that is considered rude or unfair.
使（某人）拼命工作（非常努力工作，带粗俗含义）
This job will really work your ass off, but at least the pay is good.
这份工作真的会让你非常辛苦，但至少薪水不错。
The boss is always making us work our asses off.
老板总是让我们非常辛苦地工作。
We've been working our asses off this week to meet the deadline.
我们这周为了赶上截止日期，非常辛苦地工作。