(1)初めのところで
(2)今より前に
(3)before now; "why didn't you tell me in the first place?"
(4)at the beginning; "at first he didn't notice anything strange"
さらに詳しく
(1)同じ場所で（参照を引用する際に使用される）
(2)in the same place (used when citing a reference)
