by and by
US /baɪ ən ˈbaɪ/
UK /baɪ ən ˈbaɪ/

1.
bald, allmählich
eventually; after a period of time
:
•
The sun will come out by and by.
Die Sonne wird bald herauskommen.
•
We'll get there by and by, don't worry.
Wir werden bald dort sein, keine Sorge.