at the beginning ,in the beginning 什么区别 那个加OF? first first of all firstly 区别是什么啊

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at the beginning ,in the beginning 什么区别 那个加OF? first first of all firstly 区别是什么啊
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at the beginning ,in the beginning 什么区别 那个加OF? first first of all firstly 区别是什么啊
at the beginning ,in the beginning 什么区别 那个加OF? first first of all firstly 区别是什么啊

at the beginning ,in the beginning 什么区别 那个加OF? first first of all firstly 区别是什么啊
1.in the beginning是单独使用作时间状语的.
e.g.In the beginning,I couldn't understand what you said.
at the beginning of +名词,表示在什么事情的刚开始的时候.
e.g.At the beginning of my speech,I'd like to share with you a picture.
2.当first和firstly作副词用的时侯,如果“用于分开并依次列举所述各点”时,是没有什么区别的,可以替换.
e.g.First(ly),I'll mention the advantages,then I'll mention the disadvantages.
但当用于修饰行为动词时,则只能用first.
e.g.I must ask my parents first
When did you first go to the country?
另外有一点小区别如下:
first 更常用于做某事的步骤;
at first 常用于讲述事情的起初;
first of all 常用于提出观点的开头语.

前面的加of!后面三个没有区别的,都是首先的意思