🦅 Project Eagle
Quadruple VS

Synonym Boundary: "熱心な", "熱心", "蔡邕倒屣", "倒屣迎賓"

All represent the core concept "enthusiastic", but require precise selection.

Japanese Option A

熱心な

ねっしんな (nesshinna)
N4 / CEFR
Japanese Option B

熱心

ねっしん (nesshin)
N2 / CEFR
Japanese Option C

蔡邕倒屣

さいようとうし (saiyoutoushi)
C2 / CEFR
Japanese Option D

倒屣迎賓

とうしげいひん (toushigeihin)
C2 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "enthusiastic" in Japanese, you must carefully distinguish between "熱心な", "熱心", "蔡邕倒屣", "倒屣迎賓" based on context.
  • 熱心な (ねっしんな (nesshinna) - Level: N4): Maps to "enthusiastic, diligent, zealous" and is used when Describes someone who shows strong interest, dedication, or enthusiasm towards something. 「な」adjective..
  • 熱心 (ねっしん (nesshin) - Level: N2): Maps to "enthusiastic, eager, devoted" and is used when 物事に対して心が深く傾き、一生懸命である様子。「熱心に勉強する」「熱心なファン」のように使われる。.
  • 蔡邕倒屣 (さいようとうし (saiyoutoushi) - Level: C2): Maps to "An enthusiastic, frantic welcome" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
  • 倒屣迎賓 (とうしげいひん (toushigeihin) - Level: C2): Maps to "an enthusiastic welcome" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "熱心な"
彼はいつも熱心に日本語を勉強しています。
He always studies Japanese diligently.
Context for "熱心"
彼はいつも熱心に仕事をしている。
He always works enthusiastically.
Context for "蔡邕倒屣"
私は蔡邕倒屣に興味があります。
I am interested in An enthusiastic, frantic welcome.
Context for "倒屣迎賓"
私は倒屣迎賓に興味があります。
I am interested in an enthusiastic welcome.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "彼はいつも熱心に日本語を勉強しています。" (Meaning: "He always studies Japanese diligently.")
🎉 Correct Answer!

Remember: "熱心な" is correct here because it represents "enthusiastic, diligent, zealous" in the context: "He always studies Japanese diligently.".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉