Quadruple VS
Synonym Boundary: "複雑な", "複雑", "錯体", "盤根錯節"
All represent the core concept "complex", but require precise selection.
Japanese Option A
複雑な
ふくざつな (fukuzatsu na)
N4 / CEFR
Japanese Option B
複雑
ふくざつ (fukuzatsu)
N3 / CEFR
Japanese Option C
錯体
さくたい (sakutai)
C2 / CEFR
Japanese Option D
盤根錯節
ばんこんさくせつ (bankonsakusetsu)
C2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "complex" in Japanese, you must carefully distinguish between "複雑な", "複雑", "錯体", "盤根錯節" based on context.
- 複雑な (ふくざつな (fukuzatsu na) - Level: N4): Maps to "complex, complicated" and is used when A `na`-adjective, the opposite of 簡単な. Describes something with many parts, intricate details, or difficult to understand..
- 複雑 (ふくざつ (fukuzatsu) - Level: N3): Maps to "complex; complicated" and is used when Used to describe things with many parts or relations that are hard to understand or solve. Often used as a な-adjective.
- 錯体 (さくたい (sakutai) - Level: C2): Maps to "complex (chemistry)" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
- 盤根錯節 (ばんこんさくせつ (bankonsakusetsu) - Level: C2): Maps to "a complex and difficult situation" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
Context for "複雑な"
この機械の操作は複雑です。
Operating this machine is complicated.
Context for "複雑"
この機械の使い方はとても複雑です。
The way to use this machine is very complex.
Context for "錯体"
私は錯体に興味があります。
I am interested in complex (chemistry).
Context for "盤根錯節"
私は盤根錯節に興味があります。
I am interested in a complex and difficult situation.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "この機械の操作は複雑です。" (Meaning: "Operating this machine is complicated.")
🎉 Correct Answer!
Remember: "複雑な" is correct here because it represents "complex, complicated" in the context: "Operating this machine is complicated.".