🦅 Project Eagle
Quadruple VS

Synonym Boundary: "まず", "上旬", "初めに", "始発"

All represent the core concept "first", but require precise selection.

Japanese Option A

まず

まず (mazu)
N4 / CEFR
Japanese Option B

上旬

じょうじゅん (jōjun)
N3 / CEFR
Japanese Option C

初めに

はじめに (hajime ni)
N3 / CEFR
Japanese Option D

始発

しはつ (shihatsu)
N3 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "first" in Japanese, you must carefully distinguish between "まず", "上旬", "初めに", "始発" based on context.
  • まず (まず (mazu) - Level: N4): Maps to "first of all, to begin with" and is used when Used when listing steps or priorities. It indicates the very first action to be taken in a sequence..
  • 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..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "まず"
家に帰ったら、まず手を洗います。
When I get home, first I wash my hands.
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.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "家に帰ったら、 ___ 手を洗います。" (Meaning: "When I get home, first I wash my hands.")
🎉 Correct Answer!

Remember: "まず" is correct here because it represents "first of all, to begin with" in the context: "When I get home, first I wash my hands.".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉