litigate
verb [ I or T ] law specialized uk/ˈlɪt.ɪ.ɡeɪt/ us/ˈlɪt̬.ə.ɡeɪt/
起诉，控告;提起诉讼
to ask for a disagreement to be discussed in a court of law so that a judgment can be made that must be accepted by both sides in the argument
Compare: sue