Stumbling block剛好對應我們漢語的絆腳石這個意思，比如：The negotiations have hit a major stumbling block.協商過程遇到嚴重阻礙。
Stumbling block這個用語經常用在現在的談判桌上，尤其是遇到重大問題時。令人意外的是這個用語的歷史已將近有500年之久。在某些文獻中顯示這個說法是由前面提過的威廉廷代爾所創造。block曾經有「樹墩」的意思，所以原意是指被樹墩絆倒。
看看老外聊天時怎麼用stumbling block:
Carlton：How is your sister doing these days？
你姐姐最近怎麼樣？
Debbie：She's graduated with an MBA，but she still hasn't found a job.
她已從工商管理學碩士畢業，但還沒找到工作。
Carlton：That's surprising.I thought MBA would almost guarantee her a job.
真令人意外。我以為工商管理學碩士是求職的保證。
Debbie：Her poor attitude is a real stumbling block to her career.
她的差勁態度是她求職的絆腳石。
stumbling block例句精選：
Perhaps the major stumbling block to reunification is the military presence in South Korea.
也許實現統一最大的絆腳石是駐紮在韓國的軍隊。
It has become a stumbling block to the progress of human civilization.
它已成為人類文化發展的絆腳石。
This argument has been a major stumbling block in my discussions with Chinese students and business people.
這種觀點成為我與中國學生和商人討論的一個主要障礙。
There's only one stumbling block: your mother.
只有一個障礙你母親。
It's a good plan, but the opposition of the local people may be a stumbling block.
這是一個好計劃，不過當地人的反對可能成為一大障礙。
除了stumbling block外，你還可以這樣表達：
barrier 阻礙
obstacle 障礙
impediment 妨礙