rough·shod /-ˌʃɑd/
 (a.)釘有防滑蹄鐵的,殘酷無情的
 Rough·shod a. Shod with shoes armed with points or calks; as, a roughshod horse.
 To ride roughshod, to pursue a course regardless of the pain or distress it may cause others.
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 roughshod
      adj 1: (of a horse) having horseshoes with projecting nails to
             prevent slipping
      2: (of persons or their actions) able or disposed to inflict
         pain or suffering; "a barbarous crime"; "brutal beatings";
         "cruel tortures"; "Stalin's roughshod treatment of the
         kulaks"; "a savage slap"; "vicious kicks" [syn: barbarous,
          brutal, cruel, fell, savage, vicious]
      3: unjustly domineering; "incensed at the government's
         heavy-handed economic economic policies"; "a manager who
         rode roughshod over all opposition" [syn: heavy-handed]