前，先

• Give the bottle a couple of shakes before pouring the juice
  倒果汁前，先把瓶子摇几下。
• Run in the engine before you start work
  在开始工作前，先试试发动机。
• The paint was thinned down in consistency before it was used
  使用前，先将油漆的浓度稀释。
• Before you start writing , make a rough draft
  在写作前，先打个草稿。
• However , some if not most of these outlets serve liquor
  如有疑问，请于惠顾前，先致电查询。
• Method before having the target process perform an action
  可以在目标进程执行操作前，先调用
• Before we get into that , let ' s warm up
  在我们联系挡拆前，先热热身
• Courage is tasting the vegetable before making a face
  勇气，是在对蔬菜摆臭脸前，先尝尝再说。
• Before you buy travel insurance , check your coverage
  在购买旅游保险前，先检查确定您现已有的保险
• Before painting the wood , roughen the surface with sandpaper
  油漆木器前，先用砂低把表面磨毛糙。