Run roughshod

Run roughshod over someone/something: “tratar alguém/algo com descaso".

• She seems to run roughshod over her friends all the time. [ Ela parece tratar com descaso seus amigos o tempo todo. ]
• He was a mean boss and ran roughshod over his subordinates whenever he wanted. [ Ele era um chefe malvado e tratava mal os seus subordinados sempre que queria. ]

Fonte: www.englishexpert.com