Nacked
(nack 的过去分词) abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
Sorry to trouble you, do you have these shirts in any other colors?
麻烦你了，你们有其他颜色的这种衬衫吗？
Whom will you invite to the wedding?
你将邀请谁参加婚礼？
I think I know you.
我想我认识你。