CNN news 2010-04-28 加文本

take for granted认为…理所当然, 想当然
 
例句：Don't take his help for granted.
      不要认为他的帮助是应该的。

      We shouldn't take anything for granted.
      我们不要认为什么都是理所当然的。

2.Well, hold off on that last one.

hold off拖延, 被拖延

例句：He held off for half an hour because of the rain.
      因为下雨, 他晚了半个小时才动身。

      They're holding off their decision because of changing conditions.
      由于情况变化, 他们迟迟不作决定。

3.Those are examples of blood illnesses the Vancouver Island Health Authority says up to 500 patients may have been exposed to after being treated with a tainted piece of surgical equipment.

expose to暴露于

例句：Don't expose undeveloped film to light.
      不要把未冲洗的胶卷暴露在光照下。

      The soldiers in the open field were exposed to the enemy's gunfire.
      旷野中的士兵遭到敌人炮火的攻击。