Quintuple VS
Synonym Boundary: "上旬", "初めに", "始発", "一見", "嚆矢"
All represent the core concept "first", but require precise selection.
Japanese Option A
上旬
じょうじゅん (jōjun)
N3 / CEFR
Japanese Option B
初めに
はじめに (hajime ni)
N3 / CEFR
Japanese Option C
始発
しはつ (shihatsu)
N3 / CEFR
Japanese Option D
一見
いっけん (ikken)
N2 / CEFR
Japanese Option E
嚆矢
こうし (koushi)
N1 / CEFR
Quintuple VS Nuance Contrast & Social Differences
When expressing "first" in Japanese, you must carefully distinguish between "上旬", "初めに", "始発", "一見", "嚆矢" based on context.
- 上旬 (じょうじゅん (jōjun) - Level: N3): Maps to "first third of a month, early part of a month (approx. 1st-10th)" and is used when Refers to the approximate first 10 days of a month. Often used with a month name, e.g., 10月上旬.
- 初めに (はじめに (hajime ni) - Level: N3): Maps to "first, to begin with, at the start" and is used when Used to indicate the very first thing that happens or should be done, often at the beginning of a speech, task, or explanation..
- 始発 (しはつ (shihatsu) - Level: N3): Maps to "first train/bus (of the day), originating station" and is used when Can refer to the first service of the day or the station where a service originates. Often used for trains or buses..
- 一見 (いっけん (ikken) - Level: N2): Maps to "at first glance; seemingly; on the face of it" and is used when Used to describe an initial impression that might be different from the reality upon closer inspection. Often followed by a contrasting statement..
- 嚆矢 (こうし (koushi) - Level: N1): Maps to "the first arrow shot (in battle, signalling the start); the beginning; the origin; the first step" and is used when 比喩的に、ある出来事や運動の「始まり」「きっかけ」を意味することが多い。特に、大きな影響を持つ、またはより大きなものの先駆けとなる場合に用いられる。.
Context for "上旬"
来月上旬に日本へ出発します。
I will depart for Japan in the early part of next month.
Context for "初めに"
初めに、自己紹介をしてください。
First, please introduce yourself.
Context for "始発"
明日の朝、始発の電車に乗って出発します。
I'll leave on the first train tomorrow morning.
Context for "一見"
その問題は一見簡単そうに見えるが、実はとても難しい。
That problem looks easy at first glance, but it's actually very difficult.
Context for "嚆矢"
この技術開発が、今日のAIブームの嚆矢となった。
This technological development became the beginning of today's AI boom.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "来月 ＿＿＿ に日本へ出発します。" (Meaning: "I will depart for Japan in the early part of next month.")
🎉 Correct Answer!
Remember: "上旬" is correct here because it represents "first third of a month, early part of a month (approx. 1st-10th)" in the context: "I will depart for Japan in the early part of next month.".