How to Say
How to Write
kāi
HSK 1 Radical: 廾 4 strokes
Meaning: to open
💡 Think: 'KAI' sounds like 'cry' — open your mouth wide to cry!
Compounds

📚 Character Story & Explanation

开 (kāi) meaning in English — to open

开 is ubiquitous in modern Chinese life: used on elevator buttons (开门), app icons (‘open camera’), and bureaucratic phrases like 开发票 (issue an invoice)—a mandatory process for business receipts in China. It appears in the idiom 开门见山 (kāi mén jiàn shān, ‘open the door and see the mountain’), meaning to get straight to the point—a phrase documented since the Ming dynasty in literary criticism.

The character’s earliest confirmed form is in Han-dynasty clerical script, where it clearly shows three strokes above the 廾 radical—symbolizing upward movement or division. Though not a pictograph, its structure visually conveys ‘hands initiating separation’, consistent with its grammatical behavior as a transitive verb requiring an object (e.g., 开门, not just *‘open’*).

As a linguistic detective, I begin with the modern character 开—four clean strokes, radical 廾 (a pair of hands), and an unmistakable sense of motion outward. Its simplicity belies deep functional versatility: it’s not just ‘to open’ a door, but to initiate, launch, or activate—like opening a business, a meeting, or even a can of soda. This semantic expansion reflects how Chinese verbs evolve through metaphor and usage, not arbitrary change.

The radical 廾 (gǒng) historically depicts two hands raised together—often in offering or effort. In 开, those hands aren’t holding something; they’re parting, pushing apart, creating space. That physical gesture anchors its core meaning: separation leading to access or beginning. Unlike pictographs like 日 (sun) or 木 (tree), 开 is ideographic—its form *enacts* its meaning rather than depicting an object.

Tracing its evolution, 开 appears in early clerical script (lìshū) by the Han dynasty as a streamlined version of older forms that emphasized bilateral movement. It never appeared in authenticated oracle bone inscriptions, confirming scholars’ consensus that it emerged later as a functional verb for administrative and daily actions—like opening granaries or official documents. Its HSK Level 1 status today reflects its foundational role in expressing agency and transition.

💬 Example Sentences

Common Compounds

Similar Characters — Don't Mix These Up

🏠

Your First Step into Chinese Culture: Get a Chinese Name

Every journey into Chinese begins with a name. Use our free Chinese name generator to create a meaningful, personalized Chinese name that fits you perfectly.

Get My Chinese Name →

Related Characters