det./pron. 大量，很多
adj.大量的；无数的

I've had umpteen cups of coffee today, and I'm still feeling tired.
今天我已经喝了无数杯咖啡，但还是觉得困倦。
She's been to umpteen job interviews this month, but hasn't received a single offer yet.
这个月她参加了无数次面试，但至今仍未收到任何录用通知。
We've tried umpteen different strategies to increase sales, but nothing seems to work.
我们尝试了无数种不同的策略来提高销售额，但似乎都不奏效。
He's read umpteen books on the subject, so he's quite knowledgeable about it.
他已经读了无数本关于这个主题的书，所以对此非常了解。
After umpteen delays, the construction project is finally nearing completion.
经过无数次的延误，这个建筑项目终于接近完工。
She's changed her hairstyle umpteen times since we last met.
自从我们上次见面以来，她已经换了无数次发型。
I've heard umpteen excuses for why the report is late, but none of them are convincing.
我已经听到了无数个关于报告为何迟到的借口，但没有一个令人信服。
We've been to umpteen open houses in search of our dream home.
为了寻找我们的梦想家园，我们参观了无数次开放日活动。
He's watched umpteen tutorials on coding, yet he still struggles with basic programming concepts.
他已经看了无数关于编程的教程，但仍然对基本的编程概念感到困惑。
The kids have asked umpteen questions about the upcoming trip, showing their excitement.
孩子们对即将到来的旅行提出了无数问题，显示出他们的兴奋之情。