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Quadruple VS

Synonym Boundary: "話す", "発言する", "腹を割る", "舌端火を吐く"

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

Japanese Option A

話す

はなす (hanasu)
N5 / CEFR
Japanese Option B

発言する

はつげんする (hatsugen suru)
N3 / CEFR
Japanese Option C

腹を割る

はらをわる (harawowaru)
C1 / CEFR
Japanese Option D

舌端火を吐く

ぜったんひをはく (zettanhiwohaku)
C2 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "speak" in Japanese, you must carefully distinguish between "話す", "発言する", "腹を割る", "舌端火を吐く" based on context.
  • 話す (はなす (hanasu) - Level: N5): Maps to "to speak, to talk" and is used when Used for verbal communication. Polite form is 話します.
  • 発言する (はつげんする (hatsugen suru) - Level: N3): Maps to "to speak; to make a statement; to comment" and is used when Refers to making a statement or expressing an opinion, especially in a formal setting like a meeting, debate, or public forum. It implies a deliberate act of speaking..
  • 腹を割る (はらをわる (harawowaru) - Level: C1): Maps to "to speak frankly" and is used when Essential structural term in CEFR C1 vocabulary syllabus..
  • 舌端火を吐く (ぜったんひをはく (zettanhiwohaku) - Level: C2): Maps to "to speak with fiery eloquence" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "話す"
友達と日本語を話します。
I speak Japanese with my friend.
Context for "発言する"
会議で自分の意見を発言した。
I expressed my opinion at the meeting.
Context for "腹を割る"
毎日、日本語を練習するために腹を割る。
Every day, I speak frankly to practice Japanese.
Context for "舌端火を吐く"
毎日、日本語を練習するために舌端火を吐く。
Every day, I speak with fiery eloquence to practice Japanese.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "友達と日本語を話します。" (Meaning: "I speak Japanese with my friend.")
🎉 Correct Answer!

Remember: "話す" is correct here because it represents "to speak, to talk" in the context: "I speak Japanese with my friend.".

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