字母或数字组成的4字符密码的翻译：Letters or numbers of the 4 character password 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Letters or numbers composed of four-character password

Letters or numbers of the 4 character password

Letter or digital composition 4 character password

Letters or numbers as the 4-character password

Letters or numbers of the 4 character password