Quintuple VS
Synonym Boundary: "良い", "こんばんは", "おやすみなさい", "幸運", "朗報"
All represent the core concept "good", but require precise selection.
Japanese Option A
良い
よい (yoi) / いい (ii)
N5 / CEFR
Japanese Option B
こんばんは
こんばんは (konbanwa)
N5 / CEFR
Japanese Option C
おやすみなさい
おやすみなさい (oyasuminasai)
N5 / CEFR
Japanese Option D
幸運
こううん (kōun)
N3 / CEFR
Japanese Option E
朗報
ろうほう (rōhō)
N2 / CEFR
Quintuple VS Nuance Contrast & Social Differences
When expressing "good" in Japanese, you must carefully distinguish between "良い", "こんばんは", "おやすみなさい", "幸運", "朗報" based on context.
- 良い (よい (yoi) / いい (ii) - Level: N5): Maps to "good, nice" and is used when 「良い」.
- こんばんは (こんばんは (konbanwa) - Level: N5): Maps to "Good evening." and is used when Used in the evening. It's a general greeting, not specific to saying goodbye..
- おやすみなさい (おやすみなさい (oyasuminasai) - Level: N5): Maps to "Good night" and is used when A polite farewell greeting used in the evening, especially when someone is going to bed or when parting ways late at night. A more casual version, おやすみ.
- 幸運 (こううん (kōun) - Level: N3): Maps to "good luck; fortune" and is used when Refers to good luck, fortune, or being extremely lucky. Often used as 幸運なことに.
- 朗報 (ろうほう (rōhō) - Level: N2): Maps to "Good news; glad tidings" and is used when Used to express positive and often significant news. Can be a bit formal. 朗報を伝える.
Context for "良い"
これは良い本です。
This is a good book.
Context for "こんばんは"
こんばんは、お元気ですか。
Good evening, how are you?
Context for "おやすみなさい"
父に「おやすみなさい」と言ってから寝ました。
I said "Good night" to my father before going to bed.
Context for "幸運"
_______なことに、売り切れだと思っていたチケットを最後の一枚で購入できました。
Fortunately, I was able to purchase the very last ticket that I thought was sold out.
Context for "朗報"
先生から合格の朗報を聞いて、とても嬉しかった。
I was very happy to hear the good news of my success from the teacher.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "これは ＿＿＿ 本です。" (Meaning: "This is a good book.")
🎉 Correct Answer!
Remember: "良い" is correct here because it represents "good, nice" in the context: "This is a good book.".