slaphappy
adjective informal uk/ˌslæpˈhæp.i/ us/ˌslæpˈhæp.i/
嘻嘻哈哈的；大大咧咧的，满不在乎的
happily careless and not thinking about the results of your actions
He's slaphappy in his approach to rules and regulations. 他视规章制度如儿戏。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。