/enθ; ɛnθ/
adj (infml 口)
1 [attrib 作定语] latest or last in a long series （一系列中的）最新的, 最後的
*You're the nth person to ask me that, ie Many others have asked me the same thing. 你是又一个问我这件事的人（已有很多人问过这件事了）.
* For the nth time, you can't go! 再说最後一次, 你不能去!
2 (idm 习语) to the ,nth de`gree in a very extreme way 到极点; 极度; 极端
*He's methodical to the nth degree. 他做事有条不紊算是到家了.

adj
[Date: 1800-1900; Origin: n mathematical sign for a number of unknown value + -th]
to the nth degreeinformal
extremely, or as much as possible
　It was boring to the nth degree.
[only before noun]informal
the most recent of a long series of similar things that have happened
　Even after I'd reminded him for the nth time, he forgot.