Quadruple VS
Synonym Boundary: "いち", "一", "逐一", "相次いで"
All represent the core concept "one", but require precise selection.
Japanese Option A
いち
いち (ichi)
N5 / CEFR
Japanese Option B
一
いち (ichi)
N5 / CEFR
Japanese Option C
逐一
ちくいち (chikuichi)
N2 / CEFR
Japanese Option D
相次いで
あいついで (aitsuide)
N2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "one" in Japanese, you must carefully distinguish between "いち", "一", "逐一", "相次いで" based on context.
- いち (いち (ichi) - Level: N5): Maps to "one" and is used when Basic number for counting. Can be used as a standalone number or with various counters.
- 一 (いち (ichi) - Level: N5): Maps to "one" and is used when 数を数えるときに使います。ひとつ、一人、一日など、他の言葉と組み合わせて使われることも多いです。/ Used for counting. Often combined with other words like 'hitotsu'.
- 逐一 (ちくいち (chikuichi) - Level: N2): Maps to "one by one, in detail, item by item" and is used when To do or report things individually, sequentially, and in full detail. It emphasizes meticulousness and thoroughness. Often used with verbs like 報告する.
- 相次いで (あいついで (aitsuide) - Level: N2): Maps to "one after another; in succession" and is used when Describes multiple events or incidents happening consecutively. Often used for significant or repeated occurrences..
Context for "いち"
りんごが一つあります。
There is one apple.
Context for "一"
りんごが一つあります。
There is one apple.
Context for "逐一"
彼は出張の進捗状況を逐一報告してくれた。
He reported the progress of his business trip in detail, item by item.
Context for "相次いで"
事故が相次いで発生した。
Accidents occurred one after another.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "りんごが一つあります。" (Meaning: "There is one apple.")
🎉 Correct Answer!
Remember: "いち" is correct here because it represents "one" in the context: "There is one apple.".