Nacked
(nack 的过去分词) abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
It's still a little over two hours, Harry.
仍然还有两个多小时， Harry。
He who rides a tiger is afraid to dismount.
骑虎者难下。
The machine was used in a cave near the seashore where -- it is said -- pirates used to hide gold.
在靠近海边的一个据说过去海盗常在里面藏金子的岩洞里，这种机器被派上了用场。