是 (shì) means "to be" with 9 strokes, radical 日 (sun), HSK 1 on the new exam.
Pronunciation
Meaning
Primary: to be
Etymology
Oracle-bone origin
Oracle bone forms show 日 (sun) on top with 正 beneath, where 正 originally depicted a foot moving toward a target city or enclosure. The combined graph appears to mean something like straight under the sun or correct by the sun's measure. Early bronze inscriptions preserve this two-part structure clearly.
Form evolution
Seal script regularised the 日 on top and the 正 below into the familiar vertical stack. In clerical script the lower 正 was reshaped so its strokes connect smoothly with the top, producing the rigid modern 楷 form. The components are still individually recognisable in the finished character.
How the meaning evolved
The earliest attested meaning is correct, right, or upright. By the Warring States period it extended to this, that, or a demonstrative pointing word. The copular use meaning to be emerged later in Middle Chinese and became dominant only in the early modern vernacular, which is why classical texts rarely use 是 as a simple equals sign.
Cultural note
The idiom 實事求是 (seek truth from facts) keeps the original correct/right sense of 是 rather than the modern is. Learners who only know 是 as to be often misread classical 是 as a demonstrative or as the adjective right.
Mnemonic
Under the sun, things are set straight — this is truth
Decomposition
Breaking a character into its components makes it far easier to recall. Each component above links to its own detail page.
Basic info
| Pinyin | shì |
| Meanings | to be |
| Stroke count | 9 strokes |
| Radical | 日 (#72: sun) |
| New HSK exam | Recognise at HSK 1, write by hand at HSK 1-2 |
| Frequency | #154 most common |
Example sentences
Words containing 是
Related characters
Similar meaning (abstract)
On the new HSK 1 exam
Studying for HSK 1? Keep 是 with the rest of your level.
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Frequently Asked Questions
Appears in these articles
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Reviewed by RJ Murray, Founder, HSK Lord.