threatener

threaten, menace

1. The strikers were threatened with dismissal if they did not return to work.
   罢工者受到威胁说，如果他们不复工，就会被解雇。
2. While danger threatens we must all be on guard.
   危险正逼近，我们必须保持警惕。
3. The black clouds threatened rain.
   乌云密布预示着将要下雨。