umpteenth

基本解释

I explained for the umpteenth time why I didn’t support the bill.
我第無數次曏他解釋我不支持這項法案的原因。
The bar for success is high for HP. It must not only show a compelling product in an area where it is the umpteenth player, it has to establish a new platform.
對惠普而言，成功的距離還有很遠，他們不僅必須以目前的半草根身份推出一款具備競爭力的産品，而且還需要確立一款新的産品平台。
Nobody knows for sure how much will be raised by a renewed clampdown on tax evasion or the umpteenth fiscal amnesty declared by a Berlusconi cabinet (this time for previously undeclared property).
Berlusconi的一位內閣稱，通過對媮稅的新一輪的打擊和第無數次的財政特赦，沒有人能夠確切的知道將會提高多少。

Dislosure: For the umpteenth time, I worked at AOL before joining Forbes last October.
FORBES: AOL Defector Blasts 'Content Farming' and 'SEO Spam'
On the corner of a congested Dallas intersection the umpteenth 7-Eleven is being built or, rather, assembled.
FORBES: Meet The Startup Making Snap-Together Office Buildings, Schools And 7-Elevens
After my umpteenth failure, an incredible realization washed over me: No one cared.
FORBES: No One Cares About You -- And That's Great

You use umpteenth to indicate that an occasion, thing, or person happens or comes after many others.