The supplier issued an ultimatum: pay the overdue invoice by Friday or lose the account.

供應商下了最後通牒：週五前付清逾期發票，否則終止合作。

After months of delays, the client gave our team an ultimatum to deliver the shipment.

延誤了好幾個月後，客戶對我們團隊下最後通牒，要求交貨。

The union rejected management's ultimatum and called for further negotiations at Monday's meeting.

工會拒絕了資方的最後通牒，並要求在週一的會議上繼續協商。