impediment
n. 妨碍，障碍；口吃，结巴
复数 impediments或impedimenta
例句
John's slight speech impediment made it difficult for his mother to understand him.
约翰轻微的口吃使他母亲难以听懂他。
《柯林斯英汉双解大词典》
The level of inflation is a serious impediment to economic recovery.
通货膨胀是影响经济复苏的严重障碍。
《牛津词典》
He was satisfied that there was no legal impediment to the marriage.
他对于这场婚姻没有法律上的障碍感到很满意。
