steam·roll·er /ˈstimˌrolɚ/
  蒸汽壓路機;強行壓倒
  steamroller
       n 1: a massive inexorable force that seems to crush everything in
            its way [syn: juggernaut]
       2: vehicle equipped with heavy wide smooth rollers for
          compacting roads and pavements [syn: road roller]
       v 1: bring to a specified state by overwhelming force or
            pressure; "The Senator steamrollered the bill to defeat"
            [syn: steamroll]
       2: proceed with great force; "The new teacher tends to
          steamroller" [syn: steamroll]
       3: crush with a steamroller as if to level; "steamroller the
          road"
       4: overwhelm by using great force; "steamroller the opposition"
          [syn: steamroll]
       5: make level or flat with a steamroller; "steamroll the roads"
          [syn: steamroll]