dream

Explanation

1. dream
A mental phenomenon during one's sleep, in which one sees, hears, and feels just as if one is awake.

2. goal; wish
A wish or goal one wants to accomplish in the future.

3. vain hope
A vain expectation or thought about something, whose possibility is extremely low or none.

Examples
나쁜 꿈
뒤숭숭한 꿈
무서운 꿈

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