on second thought

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

pensándolo bien, después de pensarlo mejor

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

:
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I'll have the chicken, no, on second thought, I'll have the fish.
Tomaré el pollo, no, pensándolo bien, tomaré el pescado.
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Let's go to the park. Actually, on second thought, it might rain.
Vamos al parque. En realidad, pensándolo bien, podría llover.
:
on reflectionupon reconsiderationafter second thoughtsthinking it overreconsidering
:
have second thoughtsthoughtthoughtfulsecondthought-provokingperish the thoughtfood for thought