principle

n

• ① 1原理,原则2主义;政策;原则,准则
  • first principles第一原理
  • the basic principles of geometry几何学的基本原理
  • the principles of economics经济学原理
  • The principle was established that the chairman should be elected yearly.主席应该每年选举的原则已经创建。
  • It's against my principles to lie.说谎违反了我的准则。
  • You should live up to your principles.你应该依照你的准则而行动[生活]。
  • on the principle of mutual aid根据互助的原则
  • It is my principle to make hay while the sun shines.把握良机是我的准则。
  • on the principle that cooperation is essential根据合作是绝对必要的这项准则

• ② 1根源;本质2原动力3【化】素;精
  • the vital principle活力,精力
  • the principles of human nature人性的原动力
  • bitter principles苦味素
  • a coloring principle染色素

• ③[常用复数形]道义;节操
  • He's a man of (high) principle.他是个(很)有节操的人。
  • He has no principles.他没有节操。