地道美语听力练习:遭朋友背叛

俚语：work your ass/butt off
英文释义：(American very informal) to work very hard
意为“很努力地(做一件事)，卖力工作，呕心沥血”。

1. I've worked my butt off on this all day.
我今天整天辛辛苦苦都在干活!

2.It means that you’re willing to work your butt off to achieve the company’s goals.
这就意味着, 为了达到公司的目的, 你要自愿放弃自己的目标。