be sure that

• He is sure that his friends are going to meet him
  他肯定他的朋友们会到车站接他。
• He is sure that nobody can hear what he says
  他确保没有人能听到他在说什么。
• I am sure that the market will calm down soon
  我相信市场不久便会冷静下来。
• Ruth wanted to be sure that one ofthe photographs was still here
  鲁思想看看她的照片
• We are sure that these purchases will soon be licensed
  我们相信订货不久可得到批准。
• I am sure that you will enjoy doing business with him
  我相信，你一定乐于与他做生意。
• Be sure that you give the order for bread to the baker
  你一定要把面包订单交给面包师。
• You are sure that he is not under too great a strain
  “你可以肯定他不是过度劳累么？ ”
• But we can ' t even be sure that our signal went through
  可我甚至不知道信号有没有发出去
• But we can ' t even be sure that our signal went through
  可我甚至不知道信号有没有发出去