en y repensant

on reflection

→ en
phrase Rare #42,868
on reflection Used to reconsider something or express a thought that comes after thinking about it again; y refers to something previously mentioned or understood from context.
FR: En y repensant, je crois que tu avais raison.
EN: On reflection, I think you were right.

En y repensant, j'ai pensé que c'était à vous de lui dire.

Thinking it over, I thought it was up to you to tell him.

— Adieu ma concubine (1993)

En y repensant, je n'aurais probablement pas aller avec elle.

Thinking back, I probably shouldn't have gone there with her.

En y repensant, c'est aussi mon jour de chance.

Come to think of it, it's my lucky day too.

— J'ai rencontré le Diable (2010)

En y repensant, c'est impossible.

Thinking about it again, it's impossible.

— Le Conformiste (1971)