补刀
英文直译finish the kill with an extra strike按字面理解
把握最后一击获取击杀收益
英文翻译In gaming, to land the final hit on an enemy so that you, rather than an ally, get credit for the kill and its rewards. It usually refers to timing your attack to steal the last blow and secure the kill bonus.
他残血逃进草丛，我追上去补刀，顺利拿到击杀奖励。
别人已受挫时又补上一句打击
英文翻译To add a cutting remark right after someone has already suffered a setback, making them feel even worse. It refers to kicking someone when they are down by saying something that deepens the blow.
他刚被领导批评完，你还在旁边补刀说他早就该挨骂，太不厚道了。
在他人受挫后追加打击或吐槽
英文翻译To add insult to injury by making a cutting remark or mockery right after someone has already suffered a setback or failure. It refers to kicking someone when they are down, often in a joking or teasing way.
他刚被领导批评完，你还在旁边补刀说他活该，太不厚道了。