First of all , All the first , 与 The firstly 的差别与用法，例句 first与firstly两者在语法上有什么区别

first of all\uff0cfirst\uff0cat first\uff0c\u548cfirstly\u7684\u533a\u522b\u662f\u4ec0\u4e48

first of all\u9996\u5148,\u7528\u4e8e\u5f00\u573a\u767d
first\u7b2c\u4e00,\u9996\u5148.\u9664\u4e86\u7528\u4e8e\u5f00\u573a\u767d,\u8fd8\u6709\u7b2c\u4e00\u7684\u610f\u601d
at first,\u5728\u7b2c\u4e00\u7684\u4f4d\u7f6e,\u4e00\u5f00\u59cb\u2026\u2026,\u5f3a\u8c03\u7b2c\u4e00\u72b6\u6001\uff08\u65f6\u95f4\u3001\u7a7a\u95f4\uff09
firstly,\u5f62\u5bb9\u8bcd,\u5f3a\u8c03\u7b2c\u4e00\u4e2a\uff08\u505a\u5b8c\u7684\uff09,\u6700\u5148\u7684\u3002

First of all首先
eg. First of all, let me tell you the news.
首先，让我告诉你这个消息。
The firstly 第一

first of all 一般翻译是“首先”，就是在说一件事分几个步骤时，说“首先，然后，其次...”这样的
at first 一般翻译“起先”
the first 一般翻译“第一个”
firstly，形容词，强调第一个（做完的）

扩展阅读：first of all in addition ... last but not least ... first and foremost ... first of all whats more ... first of all一系列连接词 ... transport fever 2 ... above all first of all ... as far as i am concerned ... first of all和at first 区别 ...