Learn what "if i knew then what i know now" means, when people say it, and how to use it naturally in English.

This means the speaker regrets a past decision and wishes they had had the information they have now.
From Under Her Control, Episode 45
The speaker is wishing they had known something sooner.
Use it for regret or hindsight in reflective conversation. It sounds natural but a little literary, so it is less direct than everyday speech.
Scenes unlock real expressions as you watch
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