Being hell on wheels is different than raising hell.

Being hell on wheels和raising hell完全不同。

People who are hell on wheels might actually be doing a good job.

Being hell on wheels可能是指做得很棒。

You do not have to have good intentions to be hell on wheels.

变得hell on wheels，你不必心怀善意。

People who are hell on wheels are aggressive, tough, mean or just difficult to deal with.

Hell on wheels意思是说一个人好斗、粗暴、刻薄或者是难以打交道。

For example, Watch out for the new woman in sales. She's good. But she is hell on wheels! Stay out of her way!

“小心那个新来的女销售，她很棒，但她脾气太差了，离她远点。”