Quadruple VS
Synonym Boundary: "回数", "一番", "人数", "数"
All represent the core concept "number", but require precise selection.
Japanese Option A
回数
かいすう (kaisū)
N3 / CEFR
Japanese Option B
一番
いちばん (ichiban)
N3 / CEFR
Japanese Option C
人数
にんずう (ninzū)
N3 / CEFR
Japanese Option D
数
かず (kazu)
N3 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "number" in Japanese, you must carefully distinguish between "回数", "一番", "人数", "数" based on context.
- 回数 (かいすう (kaisū) - Level: N3): Maps to "number of times, frequency" and is used when Refers to how many times an action or event has occurred. Often used with a numerical counter or to discuss frequency..
- 一番 (いちばん (ichiban) - Level: N3): Maps to "number one; first; best; most" and is used when Can mean 'first' in order, 'number one' in rank, or 'most' when used with an adjective or adverb to form a superlative expression..
- 人数 (にんずう (ninzū) - Level: N3): Maps to "number of people" and is used when Refers specifically to the count of individuals. Often used when inquiring about or stating the quantity of people present or required..
- 数 (かず (kazu) - Level: N3): Maps to "number, amount" and is used when Can refer to a specific number or a general quantity/amount. Often used in contexts like 'the number of people,' 'a large number.'.
Context for "回数"
週に3回ジムに通っている。
I go to the gym 3 times a week.
Context for "一番"
日本で一番高い山は富士山です。
The highest mountain in Japan is Mt. Fuji.
Context for "人数"
会議の人数は何人ですか？
What is the number of people for the meeting?
Context for "数"
クラスの生徒の数が多いです。
The number of students in the class is large.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "週に3回ジムに通っている。" (Meaning: "I go to the gym 3 times a week.")
🎉 Correct Answer!
Remember: "回数" is correct here because it represents "number of times, frequency" in the context: "I go to the gym 3 times a week.".