并非
Reach for this when you want to negate something with weight — 'is by no means,' 'is not actually.' 并非 is the formal, slightly literary version of 不是. The 并 adds an undertone of 'contrary to what you might assume,' making it stronger than a plain negation. Common in opinion writing, news editorials, academic papers, and formal speech. In casual chat, just use 不是; reach for 并非 when you want to push back against an assumption with rhetorical force.
Structure
Subject + 并非 + Predicate (noun phrase or clause)
bìng fēi
How to Think About It
非 by itself means 'not' in classical Chinese — you still see it in 非常 ('not ordinary' → 'extraordinary' → 'very'). Adding 并 in front gives it a 'truly not / by no means' force, the kind of negation you'd use to correct a misconception. Think of it as the difference between English 'it's not X' (plain) and 'it is by no means X' (emphatic, formal). The thing being negated usually follows directly — no copula 是 needed.
Examples
这并非偶然。
Zhè bìngfēi ǒurán.
This is by no means a coincidence.
成功并非一蹴而就。
Chénggōng bìngfēi yí cù ér jiù.
Success is not something you achieve in one stroke.
他并非不愿意帮忙，只是确实没时间。
Tā bìngfēi bú yuànyì bāngmáng, zhǐshì quèshí méi shíjiān.
It's not that he isn't willing to help — he genuinely has no time.
这个问题的答案并非如此简单。
Zhège wèntí de dá'àn bìngfēi rúcǐ jiǎndān.
The answer to this question is by no means so simple.
Common Mistake
Learners insert 是 after 并非, doubling up. 并非 stands alone as a formal negation — adding 是 is redundant.
这件事并非是我的错。
这件事并非我的错。
Don't Confuse With
不是
Plain everyday negation. 并非 is the formal/written upgrade. Use 不是 in conversation; switch to 并非 in essays or formal speeches.
并不
Negates verbs and adjectives ('并不难' — not actually hard). 并非 negates noun phrases and identity claims ('并非偶然' — not coincidental). Different grammatical slot.
未必
'Not necessarily / not for sure.' Hedges a claim. 并非 flatly denies; 未必 leaves room for doubt.
Practice
Fill in (formal): 这 ___ 我们想要的结果。
Show answer
并非
Translate to Chinese (formal): This is by no means an easy task.
Show answer
这并非一件容易的事。
Arrange: 并非 / 这个 / 真的 / 结论 / 准确
Show answer
这个结论并非真的准确。
Use 并非 in a formal sentence to push back against a common assumption.
Show answer
学好中文并非只靠天赋。
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.
Fluentide picks the next news episode at your level, so this pattern shows up again and again in real context. The transcript marks it, the audio drills it. Free to start, no card.