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

副詞
1.
やがて, そのうち
eventually; after a period of time
例:
•
The sun will come out by and by.
太陽はやがて出てくるだろう。
•
We'll get there by and by, don't worry.
やがてそこに着くから、心配しないで。
Lingolandでこの単語を学ぶ
やがて, そのうち
eventually; after a period of time