roadblock
英 ['rəʊdblɒk]
美['rodblɑk]
	    - n. 路障;障碍物
 - vi. 设置路障
 
英英释意
- 1. any condition that makes it difficult to make progress or to achieve an objective;
 - "intolerance is a barrier to understanding"
 
- 2. a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.