He roughs people up.他爱打人。

I've been roughed up by bouncers.我被保安们痛打了一顿。

They threw him in a cell and roughed him up a bit.他们将他关进监狱并揍了他一顿。

He was fired from his job after roughing up a colleague.他殴打同事, 而后被解雇了。