nth
adj. 第 n 个的; n 倍的；最近的
例句
You're a risk-taker to the nth degree.
你是个十足的冒险者。
《柯林斯英汉双解大词典》
It's the nth time I've explained it to you.
这件事我已经向你解释过无数遍了。
《牛津词典》
The story was raised with me for the nth time two days before the article appeared.
在我第n次被问及这件事情的两天后，相关文章登了出来。
