这...是什么概念
Reach for this when you've just dropped a big number or surprising fact and you want the listener to actually FEEL the scale. 'This 4GB — what does that mean?' '12 billion — what kind of number is that?' Use it as a setup phrase in writing, podcasts, and presentations. The pattern signals 'I'm about to put this number in perspective.' Native speakers almost always follow it with a comparison that makes the number tangible.
Structure
这 [BIG NUMBER/FACT] 是什么概念？
zhè... shì shénme gàiniàn?
How to Think About It
概念 literally means 'concept,' and 是什么概念 asks 'what concept is this?' — i.e., 'what does this mean in human terms?' It's a rhetorical question, not a real one. The expected next move is a comparison: '相当于...' or '等于...'. Without that follow-up the question hangs awkwardly; native speakers always pair it with an explanation. Use it to turn raw numbers into intuition.
Examples
一千二百亿是什么概念？相当于一个小国的GDP。
Yìqiān èrbǎi yì shì shénme gàiniàn? Xiāngdāngyú yí gè xiǎo guó de GDP.
120 billion — what does that mean? It's equivalent to a small country's GDP.
他一天工作十八个小时, 这是什么概念？
Tā yì tiān gōngzuò shíbā gè xiǎoshí, zhè shì shénme gàiniàn?
He works 18 hours a day — do you know what that means?
这部电影三天票房十亿, 是什么概念？
Zhè bù diànyǐng sān tiān piàofáng shí yì, shì shénme gàiniàn?
This movie made one billion in three days — do you grasp what that means?
Common Mistake
Learners use 是什么意思 ('what does this mean'), but that asks for a definition. 是什么概念 specifically asks for SCALE — 'how big is this really?' Use it for numbers, quantities, and magnitudes, not for word meanings.
一千二百亿是什么意思？
一千二百亿是什么概念？
Don't Confuse With
是什么意思？
Asks for a definition or translation. Use 意思 when you don't know what a word or phrase means; use 概念 when the number is clear but its size is hard to grasp.
有多大/多少？
Direct question about quantity — 'how big? how much?' 是什么概念 is rhetorical, not literal; you already know the number, you just want to convey its impact.
相当于...
'Equivalent to...' — this is what usually FOLLOWS 是什么概念. The setup asks the question, 相当于 delivers the comparison. They're a paired phrase, not alternatives.
Practice
这一千万是什么 ___ ？
Show answer
概念
这 ___ 是什么概念？
Show answer
个
Put in order: [概念 / 这 / 是什么 / 一百万]
Show answer
这一百万是什么概念？
Translate to Chinese: 'A 50% increase — do you know what that means?'
Show answer
增长百分之五十, 是什么概念？
Write a sentence using 这...是什么概念 to dramatize a number and follow it with a comparison.
Show answer
Example answer: 一天走三万步是什么概念？相当于从家走到机场再走回来。 (Walking 30,000 steps a day — what does that mean? It's like walking from home to the airport and back.)
Hear It in Real Episodes
This pattern appears in 1 Fluentide episode: