This means that it was not until a certain trigger event took place that another action/situation occurred.
lilipandavip
ex#584 We usually say えっ for うぇ Eh.
Miki
ex #3568 should end with きづいた (気づく)
Tan
can you post simple example sentences
majorie
This grammar point is listed in the Shin Kanzen Master N2 Grammar book (pg.16).
Akhety
jisho.org list the second definition of Hajimete as: only after...is..; only when..do you after the te form of a verb. I am finding it confusing and like Majorie said could you please list some simple example sentences. Thanks