🦅 Project Eagle
Quadruple VS

Synonym Boundary: "難しい", "むずかしい", "難航", "槐門棘路"

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

Japanese Option A

難しい

むずかしい (muzukashii)
N5 / CEFR
Japanese Option B

むずかしい

むずかしい (muzukashii)
N5 / CEFR
Japanese Option C

難航

なんこう (nankou)
N1 / CEFR
Japanese Option D

槐門棘路

かいもんきょくろ (kaimonkyokuro)
C2 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "difficult" in Japanese, you must carefully distinguish between "難しい", "むずかしい", "難航", "槐門棘路" based on context.
  • 難しい (むずかしい (muzukashii) - Level: N5): Maps to "difficult, hard" and is used when An i-adjective used to describe tasks, problems, or subjects that require a lot of effort or understanding..
  • むずかしい (むずかしい (muzukashii) - Level: N5): Maps to "difficult" and is used when An i-adjective used to describe something that is not easy to do or understand. The opposite of やさしい.
  • 難航 (なんこう (nankou) - Level: N1): Maps to "difficult navigation, rough passage; making slow progress, encountering difficulties (of negotiations, projects)" and is used when Literally meaning 'difficult navigation' for ships, it is commonly used metaphorically for projects, negotiations, or processes that are making slow or difficult progress due to various obstacles and challenges..
  • 槐門棘路 (かいもんきょくろ (kaimonkyokuro) - Level: C2): Maps to "the difficult path to high public office" 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 "難しい"
この日本語の試験は難しいです。
This Japanese test is difficult.
Context for "むずかしい"
この問題はとても難しくて、わかりません。
This problem is very difficult, so I don't understand it.
Context for "難航"
交渉は予想通り難航している。
The negotiations are facing difficulties as expected.
Context for "槐門棘路"
私は槐門棘路に興味があります。
I am interested in the difficult path to high public office.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "この日本語の試験は ___ です。" (Meaning: "This Japanese test is difficult.")
🎉 Correct Answer!

Remember: "難しい" is correct here because it represents "difficult, hard" in the context: "This Japanese test is difficult.".

💡 Practice with AI! Live

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

Try AI Speaking 👉