Learn what "why didn't i" means, when people say it, and how to use it naturally in English.

It means the speaker regrets not recognizing someone’s true character sooner.
From Trial Marriage to A Billionaire, Episode 26
Someone realizes too late that they misjudged another person badly.
Use this when expressing regret or disappointment about a person’s behavior. It is emotional and not a simple everyday phrase.
Scenes unlock real expressions as you watch
Tap to translate or use dual subtitles
Practice immediately with AI Characters
Reinforce with quick quizzes and repetition
Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.
Start learning