政府的新规定对小型企业形成了严重制约，使它们难以发展。

The new government regulations put a ___stranglehold on small businesses, making it hard for them to grow.

这家大公司在市场上形成了垄断，扼杀了所有竞争对手的生存空间。

The giant corporation has a ___stranglehold on the market, leaving no room for competitors to survive.