on second thought

US /ɑːn ˈsek.ənd θɑːt/
UK /ɑːn ˈsek.ənd θɑːt/
"on second thought" picture
1.

po namyśle, po zastanowieniu

used to say that you have changed your mind or that you have a new idea that is better than your previous one

:
I'll have the chicken, no, on second thought, I'll have the fish.
Wezmę kurczaka, nie, po namyśle, wezmę rybę.
Let's go to the park. Actually, on second thought, it might rain.
Chodźmy do parku. Właściwie, po namyśle, może padać deszcz.