每个人都会在人生之路上遇到几块“绊脚石”，想要继续前进，必须搬掉这些碍事的“石头”。
“绊脚石”，是一个中文俗语，字面意思是“a stumbling stone”，比喻制造麻烦或阻碍前进的事物（something that causes problems and prevents you from achieving your aim），可翻译为“stumbling block，obstacle”。常用表达如“成功路上的绊脚石（a stumbling block on the path to success）”。
- 也许实现统一最大的绊脚石是驻扎在那个国家的军队。
Perhaps the major stumbling block to reunification is the military presence in that country. - 它已成为人类文化发展的绊脚石。
It has become a stumbling block to the progress of human civilization.
