しばらくして(から).
after a little
that moment
It was a short time―a little while.
後でやって。
to follow anything
そのときから
あの後
something that comes right after something else
the elapsed time since a separation
その時まで
until that time
the way that something follows immediately afterwards
後でやっておきます。
I'll do it later on.
とりあえず〜しておく
段々になって.
あとでね
Later.