并非...
Reach for 并非 in formal writing when you want to firmly deny something a reader might assume — 'is by no means,' 'is not at all.' 并非 is the more literary cousin of 并不是: same meaning, raised register. Common in essays, news analysis, academic prose, and corporate statements. Use it when 不是 alone feels too plain and you want the denial to sound deliberate and authoritative. Avoid in casual speech, where it sounds stiff.
Structure
[SUBJECT] 并非 [NOUN/CLAUSE]
bìngfēi...
How to Think About It
并非 is 并不是 in a tuxedo. 并 adds the 'contrary to assumption' nuance; 非 is the literary version of 不是. Together they signal a deliberate, formal denial. Use 并非 when writing analysis or making a serious point; use 并不是 in everyday conversation; use plain 不是 when there's no assumption to correct.
Examples
成功并非偶然。
Chénggōng bìngfēi ǒurán.
Success is by no means accidental.
这个问题并非无法解决。
Zhège wèntí bìngfēi wúfǎ jiějué.
This problem is not unsolvable at all.
他的批评并非没有道理。
Tā de pīpíng bìngfēi méiyǒu dàolǐ.
His criticism is by no means without merit.
Common Mistake
Learners drop 并非 into casual chat, where its formal tone clashes with the register. Save it for writing or formal speech; in conversation, use 并不是 or 不是.
我并非喜欢吃辣。 (in casual conversation)
我不喜欢吃辣。
Don't Confuse With
并不是
Same meaning, neutral register. Use 并不是 in speech; 并非 only in writing or formal speech.
而非
而非 connects to a positive claim before it ('X, and not Y'). 并非 stands at the start of its own clause and just negates.
未必
未必 means 'not necessarily' — a softer hedge. 并非 is firm denial: 'it is by no means.' Don't swap them; the strength differs.
Practice
成功____偶然。
Show answer
并非
这个问题并非无法____。
Show answer
解决
Arrange: 没有道理 / 他的 / 并非 / 批评
Show answer
他的批评并非没有道理。
Not all eligible users will immediately see ads.
Show answer
并非所有符合条件的用户都会立即看到广告。
Write a formal sentence using 并非 to push back on a common assumption.
Show answer
学好一门外语并非一件容易的事。
Hear It in Real Episodes
This pattern appears in 1 Fluentide episode:
Related Grammar Patterns
Acquire by listening
Hear 并非... in real Chinese, not in a textbook.
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