になってはじめて
Meanings
Expression
1. (it was) not until; (it was) only when
Composed of
for the first time; only after ... is it ...; only when ... do you ...; first time; (one's) first
Examples (10 in total)
It was not until yesterday that he noticed her.
It was not until the next day that they found her.
Not until this morning did I learn the truth.