be to do

• " i don t know what the devil there is to do , " he observed
  “我不知道究竟有什么事情可做， ”他说。
• The secret of success is to do the common things uncommonly well
  成功的秘诀是将平凡的事做得不平凡
• The key to improving technical skills is to do basic jobs
  提高医学工程技术水平，关键在于打牢基础。
• The first rule of war is to do what you ask your men to do ,
  战争的首要原则，就是让你的人照你说的做
• If you were to do anything illegal to embarrass the candidate -
  如果你想做任何不法的事来困扰候选人
• What a child should do , above all , is to do well in his studies
  小孩子该做的最重要的事是学好功课。
• The shortest way to do many things is to do only one thing at a time
  多做事的捷径是每次只做一件事
• Another word of advice i would give is to do it and do it often
  我要给的另一个建议是做，经常的做。
• The first rule of war is to do what you ask your men to do ,
  战争的首要原则，就是让你的人照你说的做
• If you were to do anything illegal to embarrass the candidate - -
  如果你想做任何不法的事来困扰候选人. .