stranglehold /ˈstræŋɡəlˌhəʊld/

• 1. 

  N-SING To have a stranglehold on something means to have control over it and prevent it from being free or from developing. 压制

  例：

  These companies are determined to keep a stranglehold on the banana industry.

  这些公司决定对香蕉业进行压制。