1. 欺凌;为所欲为;横行霸道
If you say that someone is riding roughshod over a person or their views, you disapprove of them because they are using their power or authority to do what they want, completely ignoring that person's wishes.

1. unjustly domineering

e.g. incensed at the government's heavy-handed economic policies
a manager who rode roughshod over all opposition

Synonym: heavy-handed

2. (of persons or their actions) able or disposed to inflict pain or suffering

e.g. a barbarous crime
brutal beatings
cruel tortures
Stalin's roughshod treatment of the kulaks
a savage slap
vicious kicks

Synonym: barbarousbrutalcruelfellsavagevicious

3. (of a horse) having horseshoes with projecting nails to prevent slipping