A: Huh? What’s that?
B: This? He gave me for my birthday! Are you jealous?
A: Really? Yeah, I’m jealous!
In this situation, what should you say “Are you jealous” in Japanese?
Casual
B：いいでしょ？
Note: This is not a word-for-word translation.
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A word-for-word translation
B：嫉妬してるの？
This is not bad for a sentence, but it’s too direct expression.
Depending on how you say it, it could come across as provocative.
うらやましい is softer impression than 嫉妬してる.
いいでしょ is more natural and is often used in everyday Japanese conversation.
Kotoba no Hibiki 