the process of discussing something with someone in order to reach an agreement with them, or the discussions themselves

The agreement was reached after a series of difficult negotiations. 该协议是在经历了一系列艰难的谈判之后达成的。

The exact details of the agreement are still under negotiation. 协议的确切条款尚待磋商。

Negotiation for the pay increase is likely to take several weeks. 加薪谈判可能要持续数周。