offSEPARATED HBf, $B:f adv [not gradable] in such a way as to be separated 隔开 The police have shut off all streets leading to the city. 警察已经关闭所有通向这座城市的道路。 The area in the park where the kids play is fenced off for safety reasons. 出于安全，公园里用栏栅把孩子们游玩的场所隔开。