miscellaneous: implies a mixture of many kinds showing few signs of selection and often suggesting dependence on chance: a ~ assortment of jars and bottles.         强调杂乱无章的原因是"因为难以分类成类型，只好混放在一起"，如miscellaneous odds and ends零碎杂物，又如标准技术规范technical specifications末尾通常有一章叫作miscellaneous杂项，这些杂项很重要，但不好放到其他章节，只好放在杂项一章。同样几乎所有的项目文档和学习笔记都应有一部分专门记录misc杂项          mix混合，简单混合       chance偶然随机，如chance encounter偶遇      select选择，仔细区分后挑选


assorted: implies a selection that includes various kinds or involves considerations of tastes or needs: a box of ~ cookies.    除了例句什锦饼干，常见的还有assorted sweets什锦糖果


heterogeneous: applies to masses or groups in which diverse or varied individuals or elements  are in proximity or relationship by chance: the ~ structure of granite. 花岗石        侧重种类数量多many different kinds，如a heterogeneous light杂色光，如例句花岗岩的异质结构heterogeneous structure，如the vast and heterogeneous population of the United States由庞大不同族裔组成的美国人口           proximity接近靠近


motley: adds the suggestion of discordance in the individuals or elements or their striking contrast to each other and carries a depreciative connotation: a ~ aggregation of curs and mongrels.       mongrel杂种狗a dog which is a mixture of different breeds; curs恶狗an unfriendly dog, especially a mongrel               discord不和谐的essential lack of harmony本质上的不和谐，导致争吵争议对立等，在2018-08-01 不和discord-variance      又如the audience was a motley crew of students and tourists观众是一群混杂在一起的学生和游客，可见二者反差十分明显


promiscuous: usually implies selection that is completely devoid of discrimination or restriction and that results in disorderly confusion: gave all the money away in ~ acts of charity.         (1、淫乱having many sexual partners ，如promiscuous behaviour/lifestyle淫乱行为/不检点的生活    2、杂烩的taken from a wide range without careful thought，如promiscuous reading读书庞杂，a stylistically promiscuous piece of music一支风格杂乱的乐曲)


miscellaneous杂项混杂: 指多种事物混放在一起，因难以分类，assorted什锦: 指选择多个不同种类时考虑口味需求，heterogeneous异质多种组成的: 指多种成分混杂组成，motley混杂: 表示强烈反差不和谐等贬义，promiscuous混乱杂烩: 指完全不辨别不克制，导致混乱


记忆方法: 1) 首字母MAHMP排列成MM HAP每每发生<==杂乱

              2) 杂乱的意思是成分繁杂mean a group, collection, or mass, or the things that make up a group, collection, or mass, marked by diversity or variety.首字母MAHMP排列成MM HAP每每发生<==杂乱    diverse不同 various种类多