ultimatum

最后通牒；最后结论；基本原理英释中释na threat saying that if someone does not do what you want by a particular time, you will do something to punish them

1 The club gave him an ultimatum – either he apologized, or he would be expelled from the team..俱乐部给他下了最后通牒——要么道歉，要么等着被开除出队。

2 The army issued an ultimatum for all weapons in the city to be surrendered on October 26th..军队发出最后通牒，必须于 10 月 26 日交出该市的全部武器。