Quadruple VS
Synonym Boundary: "一生懸命", "なかなか", "幼い", "いとも"
All represent the core concept "very", but require precise selection.
Japanese Option A
一生懸命
いっしょうけんめい (isshoukenmei)
N4 / CEFR
Japanese Option B
なかなか
なかなか (nakanaka)
N3 / CEFR
Japanese Option C
幼い
おさない (osanai)
N3 / CEFR
Japanese Option D
いとも
いとも (itomo)
N2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "very" in Japanese, you must carefully distinguish between "一生懸命", "なかなか", "幼い", "いとも" based on context.
- 一生懸命 (いっしょうけんめい (isshoukenmei) - Level: N4): Maps to "very hard, with all one's might, diligently" and is used when An adverb used to express putting maximum effort into something. Often used with verbs like 勉強する.
- なかなか (なかなか (nakanaka) - Level: N3): Maps to "very; considerably; easily (with negative); more than expected" and is used when Refers to a situation being highly considerably, more than expected, or with negative verbs, expresses that something does not happen easily.
- 幼い (おさない (osanai) - Level: N3): Maps to "very young, childish, immature" and is used when Describes someone or something as very young or immature. Can apply to age, appearance, or behavior..
- いとも (いとも (itomo) - Level: N2): Maps to "very, extremely (archaic/literary, often used with adjectives like 簡単, 容易, たやすい)" and is used when An old-fashioned or literary adverb emphasizing 'very' or 'exceedingly.' It often adds a sense of ease or simplicity and usually precedes an adjective..
Context for "一生懸命"
彼は一生懸命日本語を勉強しています。
He is studying Japanese very hard.
Context for "なかなか"
システムの初期ローディング遅延のバグ原因は複雑であり、シニアエンジニアであっても_______解決策が見出せませんでした。
Because the cause of the initial loading delay bug of the system was complex, even the senior engineer could not easily find a solution.
Context for "幼い"
彼は見た目は大人だが、考え方がまだ幼い。
He looks like an adult, but his way of thinking is still childish.
Context for "いとも"
その問題はいとも簡単に解決した。
That problem was solved with extreme ease.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "彼は ＿＿＿ 日本語を勉強しています。" (Meaning: "He is studying Japanese very hard.")
🎉 Correct Answer!
Remember: "一生懸命" is correct here because it represents "very hard, with all one's might, diligently" in the context: "He is studying Japanese very hard.".