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Quintuple VS

Synonym Boundary: "さん", "三つ", "三尸の虫", "三千世界", "三界"

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

Japanese Option A

さん

さん (san)
N5 / CEFR
Japanese Option B

三つ

みっつ (mittsu)
N5 / CEFR
Japanese Option C

三尸の虫

さんしのむし (sanshinomushi)
C2 / CEFR
Japanese Option D

三千世界

さんぜんせかい (sanzensekai)
C2 / CEFR
Japanese Option E

三界

さんがい (sangai)
C2 / CEFR

Quintuple VS Nuance Contrast & Social Differences

When expressing "three" in Japanese, you must carefully distinguish between "さん", "三つ", "三尸の虫", "三千世界", "三界" based on context.
  • さん (さん (san) - Level: N5): Maps to "three; Mr./Ms./Mx." and is used when Can refer to the number 'three'.
  • 三つ (みっつ (mittsu) - Level: N5): Maps to "three (general counter for objects)" and is used when Similar to 一つ and 二つ, used for counting three general items or quantities..
  • 三尸の虫 (さんしのむし (sanshinomushi) - Level: C2): Maps to "the Three Corpses (in the body)" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
  • 三千世界 (さんぜんせかい (sanzensekai) - Level: C2): Maps to "the three thousand worlds (Buddhist cosmology)" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
  • 三界 (さんがい (sangai) - Level: C2): Maps to "the three realms of existence (Buddhism)" 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 "さん"
学生が三人います。田中さん、こんにちは。
There are three students. Hello, Mr./Ms. Tanaka.
Context for "三つ"
みかんを三つ買いました。
I bought three mandarins.
Context for "三尸の虫"
私は三尸の虫に興味があります。
I am interested in the Three Corpses (in the body).
Context for "三千世界"
私は三千世界に興味があります。
I am interested in the three thousand worlds (Buddhist cosmology).
Context for "三界"
私は三界に興味があります。
I am interested in the three realms of existence (Buddhism).

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "学生が三人います。田中 ___ 、こんにちは。" (Meaning: "There are three students. Hello, Mr./Ms. Tanaka.")
🎉 Correct Answer!

Remember: "さん" is correct here because it represents "three; Mr./Ms./Mx." in the context: "There are three students. Hello, Mr./Ms. Tanaka.".

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