Значение swear в русском языке

• 0 to use language that people think is rude or offensive -- ругаться

  • He was sent home because he swore at the teacher.

  • She swore loudly and threw the box on the floor.

• 1 to make a serious promise -- клясться

  • [ + to do sth ] I swear to tell the truth.

  • [ + (that) ] She swore that she was at home at the time of the accident.

• 2 used to say that you are sure something is true -- клясться, быть уверенным

  • [ + (that) ] I could have sworn that she said she lived in Canterbury (= I was sure she lived in Canterbury, but now I have found that it is not true).