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169页（234字）
毫无顾忌地胡作非为，例这些流氓恶棍无法无天，胡作非为，弄得附近居民鸡犬不宁。
The people living in the neighbourhood are greatly disturbed，because these hooligans have no respect of the law and commit all kinds of outrages．