extricate       
verb [ T ]  formal uk/ˈek.strɪ.keɪt/ us/ˈek.strɪ.keɪt/
 使摆脱,使脱离;解救
to remove something or set something free with difficulty
  It took hours to extricate the car from the sand. 用了几个小时才把陷入沙地中的车拉了出来。 
 I tried to extricate myself from the situation. 我试图从这种局面中摆脱出来。 
 Synonyms: disentangleuntangle