🦅 Project Eagle
Quadruple VS

Synonym Boundary: "あつい", "お湯", "熱い", "温泉"

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

Japanese Option A

あつい

あつい (atsui)
N5 / CEFR
Japanese Option B

お湯

おゆ (oyu)
N5 / CEFR
Japanese Option C

熱い

あつい (atsui)
N4 / CEFR
Japanese Option D

温泉

おんせん (onsen)
N4 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "hot" in Japanese, you must carefully distinguish between "あつい", "お湯", "熱い", "温泉" based on context.
  • あつい (あつい (atsui) - Level: N5): Maps to "hot (temperature, weather, objects)" and is used when Can be 暑い for hot weather/air, or 熱い for hot objects/liquids. Distinguish between them in usage..
  • お湯 (おゆ (oyu) - Level: N5): Maps to "hot water" and is used when Refers specifically to hot water, differentiating it from regular water.
  • 熱い (あつい (atsui) - Level: N4): Maps to "hot (to touch/of temperature)" and is used when Used for physical heat, like hot water, hot food, or hot objects. Not used for hot weather.
  • 温泉 (おんせん (onsen) - Level: N4): Maps to "hot spring" and is used when Refers to natural hot springs, often associated with resorts and bathing. It's a popular tourist attraction in Japan..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "あつい"
夏は毎日暑いです。このお茶は熱いです。
Every day is hot in summer. This tea is hot.
Context for "お湯"
お風呂にお湯を入れます。
I will put hot water in the bath.
Context for "熱い"
このお茶はとても熱いです。
This tea is very hot.
Context for "温泉"
日本で温泉に入るのが大好きです。
I love taking a bath in hot springs in Japan.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "夏は毎日暑いです。このお茶は熱いです。" (Meaning: "Every day is hot in summer. This tea is hot.")
🎉 Correct Answer!

Remember: "あつい" is correct here because it represents "hot (temperature, weather, objects)" in the context: "Every day is hot in summer. This tea is hot.".

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