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

It means the speaker feels undeserving and wonders why the other person is bothering with them.
From Collateral Hearts, Episode 28
Someone is questioning why the other person is spending time on them.
Use this when you want to sound self-critical or emotionally vulnerable. It can feel heavy or insecure, so it is not ideal for casual conversation.
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
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