neighbourhood watch
noun🔊/ˌneɪbəhʊd ˈwɒtʃ/
🔊/ˌneɪbərhʊd ˈwɑːtʃ/
(US English neighborhood watch)
[uncountable]an arrangement by which a group of people in an area watch each other’s houses regularly as a way of preventing crime 邻里守望（邻居定期相互照看住宅，防止犯罪）