be unable to

• I am unable to get to the phone right now , no ! no
  我现在无法接听电话-不!不
• The firemen were unable to control the blaze
  消防队员们无法控制这场熊熊烈火。
• Insomnia is more than just being unable to fall asleep
  失眠并不仅仅是无法入睡。
• We are sorry to be unable to meet your demands
  很抱歉，我们不能满足你方的要求。
• And he would be unable to start them out again
  而他已无法再把它们打发出去了。
• I ' m afraid ms . thomas is unable to meet with you now
  恐怕托马斯小姐现在不能见你
• But i am unable to pay this sum of expenses now
  可是现在我无力支付这笔费用。
• He is unable to control one ' s own destiny
  一个武人,一个无法控制自己命运的人
• I have lost my pen ; i am unable to do my exercises
  我的钢笔丢了；我没法作作业了。
• We regret we are unable to accept your invi8tation
  很遗憾我们不能接受你们的歉意。