| kāi | to open/to start/to turn on/to write out (a medical prescription)/to operate (vehicle)/abbr. for 開爾文|开尔文 degrees Kelvin |
| 开 |
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| 开三次方 | cube root to extract a cube root |
| 开业 | to open a business to open a practice open (for business) |
| 开业医生 | medical prctioner; medical practitioner; practitioner |
| 开业大吉 | celebration on opening a business |
| 开云见日 | the clouds disperse and the sun shines forth; darkness recedes and light dawns; the clouds disperse and the sun shines forth; all misunderstanding has been dispelled |
| 开交 | (used with negative) to conclude (impossible) to end (can't) finish |
| 开仗 | to start a war to open hostilities |
| 开价 | to quote a price seller's first offer |
| 开伙 | to start providing food to open today's service in a canteen |
| 开会 | to hold a meeting to attend a meeting |
| 开会祈祷 | invocation |
| 开伯尔 | Khyber province of Pakistan Northwest Frontier province |
| 开伯尔山口 | Khyber pass (between Pakistand and Afghanistan) |
| 开例 | to create a precedent |
| 开倒车 | to drive in reverse fig. to take a backward step retrogressive |
| 开元 | reign name 713-741 of Tang emperor Xuanzong 唐玄宗 |
| 开元盛世 | peak of Tang prosperity during Kaiyuan, reign name 713-741 of Tang emperor Xuanzong 唐玄宗 |
| 开元音 | open vowel |
| 开先 | at first |