blue law
noun [ C ] US old-fashioned informal uk/ˈbluː ˌlɔː/ us/ˈbluː ˌlɑː/
蓝色法规（限制星期日购物、工作等宗教上认为不道德的活动）
a law that limits activities that are considered not to be moral for religious reasons, such as shopping or working on Sundays
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。