1、在…起始
... 在…起始，开始at the beginning of 自始自终from beginning to end 形成…局面；产生come into being ...
2、起初
... last year 去年 at the beginning of 起初，开始 at all （用于否定句）一点也不 ...
3、伊始
... at the back/front of the classroom 在教室的前/后头 at the beginning of 在...伊始 at the cinema 在电影院 ...
4、开始
... out of breath上气不接下气 at the beginning of起初；开始 occasionallyadv.偶尔；偶然 ...
At the beginning of life人之初;人之初专辑
At the beginning of industrialization工业化初期
at the beginning of term在学期开始
At the beginning of a在一开始时
at the beginning of shift轮班初期
At The Beginning of May五月之初
At the Beginning of Autumn立秋
at the beginning of something的开始
at the very beginning of在……一开始的时候;在