obstacle course
noun [ C ] uk/ˈɒb.stɪ.kəl ˌkɔːs/ us/ˈɑːb.stɪ.kəl ˌkɔːrs/
障碍赛跑道
a race in which runners have to climb over, under, or through a series of obstacles
US (UK assault course)军事训练场地;近战训练场;障碍场
an area of land on which soldiers have to run between and climb over or cross various objects, designed to test their strength and physical condition
重重困难
a series of problems that you have to solve in order to achieve something