stranglehold
noun [ C usually singular ] disapproving uk/ˈstræŋ.ɡəl.həʊld/ us/ˈstræŋ.ɡəl.hoʊld/
压制，钳制；束缚
a position of complete control that prevents something from developing
The two major companies have been tightening their stranglehold on the beer market. 两大公司开始加强钳制啤酒市场。