n. a final peremptory demand
n. 最后通牒, 基本原理
[法] 最后通牒, 哀的美敦书, 最后结论
1. The government issued an ultimatum to the company to comply with safety regulations.
政府向公司发出了遵守安全法规的最后通牒。
2. She gave him an ultimatum: either commit to the relationship or leave.
她给了他一个最后通牒：要么对这段关系负责，要么离开。
3. The peace talks ended when one side presented an ultimatum that the other side couldn't accept.
和平谈判结束时，一方提出了对另一方无法接受的最后通牒。