Phrases Phrases for Expressing Regret

With hindsight, I should have...

B2

Meaning

Expressing regret with the benefit of past experience.

Example sentences

John: The presentation didn't go as well as I'd hoped.

Alice: It happens. What could have been done differently?

John: With hindsight, I should have practiced more.

Alice: Yes, and with hindsight, I should have offered more constructive feedback beforehand.