1 N-COUNT 禁区;危险区 If you refer to a place as a no-go area, you mean that it has a reputation for violence and crime which makes people frightened to go there. 禁区;危险区 [mainly British]
2 N-COUNT (以武力控制的)禁止入内地区,禁区 A no-go area is a place which is controlled by a group of people who use force to prevent other people from entering it. (以武力控制的)禁止入内地区,禁区 [mainly British]