backsides

例句:

• We're not lying on our backsides doing nothing.
  来自BBC
• Is it high-pitched sounds emanating from backsides or the tick-tock of psychological warfare?
  来自THETIMES
• Then it might singe the backsides of some of those snotty - nosed shufflers in Parliament.
  那样也许可以把国会里一些卑鄙的 两面派 的屁股烧它一下.
  
• You guys are spending way too much time blowing smoke up your backsides with your inner city male suppressed hormons.
  来自SA