十分难做的事，难得要命的工作

This job is a real ball-breaker.

这活儿真是太难做了。

The task I got assigned was a ball-buster. for sure.

毫无疑问，指派给我的那项仟务实在太艰巨了。

(监督执行艰巨工作的)残暴的领班、 监工或老板

The boss is a real ball-breaker, and I don't know how long I can go on with this job.

那老板实在太残暴了，我不知道这工作我还能继续干多久。

They have special management schools to train ball-breakers.

他们有专门教管理的训练机构，培训监管执行艰巨工作的工头。

(对待男子凶狠的)悍妇，泼妇，"雌老虎"

Tom told me about that wife of his. A real ball-buster. isn't she?

汤姆把他妻子的事告诉了我。她可真是个泼妇，不是吗？