stumbling obstacle

跌跌撞撞的障碍
常用释义
跌跌撞撞的障碍

例句

When what a pity I understood that I actually must let loose you not to do let complete the dream near the stumbling obstacle.

当我理解多么可惜的时候我才知道我不应该做完成你梦想的绊脚石，我应该松开你。

惰性是创新的绊脚石。