出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第34页（241字）
指不从事正当的职业；也指丢下本职工作，去做别的事情，例他受过高等教育，却不务正业，误入歧途，终至被捕入狱，许多人都为他惋惜。
In spite of being educated，he did not engage himself in honest work．When he was finally arrested，his friends felt sorry for him．