不是

• Who knows but that what he says is true ?
  谁能知道他说的不是真话？
• It isn't the lord's way or will .
  这不是主指引的路，不是主的意旨。
• Golly, isn't that frightfully expensive ?
  哎哟，这是不是太破费了？
• I mean big money, not pocket change .
  我指的是大笔的钱，不是零钱。
• This is not the time to bring up that subject .
  现在不是提那事的时候。
• The gentlemen don't come here to get hurt .
  先生们来这儿不是为了挨打。
• He is not an officer , but a common soldier .
  他不是军官而是普通士兵。
• We're not all saints in this business .
  在这种业务工作中我们不是圣贤。
• These quantities are not perfect differential .
  这些量不是全微分。