提高警惕

• Be on your guard ! he ' s a sly old fox
  提高警惕,他是一个狡猾的老狐狸。
• The order urge the armed force to enhance their alertness
  该项命令敦促武装部队提高警惕。
• Community reminded to be vigilant against influenza
  提高警惕慎防流感
• All the banks have been warned to look out
  所有的银行都已经提高警惕
• Yuke landing force that big bird ' s got good aim . stay sharp
  那个大鸟例无虚发。所以提高警惕了！
• Developers have to be vigilant when it comes to security
  当提到安全问题时开发者们必须提高警惕。
• Public stay vigilant when disclosing personal details on internet
  市民在互联网提供资料必须提高警惕
• This is yours . you keep your guard up
  比赛是你的，提高警惕
• The public is advised to take appropriate precautions against heatstroke
  市民应提高警惕，以防中暑。
• It keeps my students alert
  我想让我的学生提高警惕性