진짜
The genuine article; the real thing; the actual or authentic item. (Always used with "the real.")
예문:
"After trying several imitations, she finally found the store that sold the real McCoy."
"This antique watch isn't a replica; the jeweler confirmed it's the real McCoy from the 1920s."
"When it comes to spicy food, this chili oil is the real McCoy—it will definitely make your eyes water."