| 开化 | kāi huà | civilized; to have laws and culture; to civilize; the process of becoming civilized |
| 开刀 | kāi dāo | to perform or have an operation; to operate on or to be operated on |
| 开元 | Kāi yuán | reign name 713-741 of Tang emperor Xuanzong 唐玄宗, a peak of Tang prosperity |
| 开小差 | kāi xiǎo chāi | to be absent-minded; to desert; to abscond from the army; absent without leave (AWOL) |
| 开战 | kāi zhàn | to start a war; to make war; to battle against |
| 开方 | kāi fāng | to extract a square root |
| 开山 | kāi shān | to cut into a mountain (to open a mine); to open a monastery |
| 开掘 | kāi jué | to excavate; to dig out; fig. to investigate (in an archive) |
| 开球 | kāi qiú | open ball (math.); to start a ball game; to kick off (soccer); to tee off (golf) |
| 开饭 | kāi fàn | to serve a meal |
| 开导 | kāi dǎo | to talk sb round; to straighten sth out; to enlighten |
| 开销 | kāi xiāo | expenses |
| 开春 | kāi chūn | beginning of spring; the lunar New Year |
| 开盘 | kāi pán | opening share price |
| 开脱 | kāi tuō | to exculpate; to absolve; to exonerate |
| 开业 | kāi yè | to open a business; to open a practice; open (for business) |
| 开场 | kāi chǎng | to begin; to open; to start; beginning of an event |
| 开外 | kāi wài | over and above (some amount); beyond (budget) |
| 开列 | kāi liè | (make a) list |
| 开课 | kāi kè | school begins; give a course; teach a subject |
| 开市 | kāi shì | to open a store for business |
| 开船 | kāi chuán | to set sail |
| 开城 | Kāi chéng | Kaesong or Gaeseong 개성 city in southwest North Korea, close to the border with South Korea and a special economic zone for South Korean companies |
| 开票 | kāi piào | to open ballot boxes; to count votes; to make out a voucher or invoice etc; to write out a receipt |
| 开间 | kāi jiān | alcove; bay in a room; unit of length used for rooms, approx. 3.3 meters |
| 开户 | kāi hù | to open an account (bank etc) |
| 开诚布公 | kāi chéng bù gōng | lit. deal sincerely and fairly (idiom); frank and open-minded; plain speaking; Let's talk frankly and openly between ourselves.; to put one's cards on the table |
| 开足马力 | kāi zú mǎ lì | to accelerate at full power (idiom); at full speed; fig. to work as hard as possible |
| 开征 | kāi zhēng | to start collecting taxes |
| 开远 | Kāi yuǎn | Kaiyuan county level city in Honghe Hani and Yi autonomous prefecture, Yunnan |
| 开门见山 | kāi mén jiàn shān | lit. to open the door and see the mountain; fig. to get right to the point (idiom) |
| 开夜车 | kāi yè chē | burn the midnight oil; work late into the night |
| 开天辟地 | kāi tiān pì dì | to split heaven and earth apart (idiom); refers to the Pangu 盘古 creation myth |
| 开演 | kāi yǎn | (of a play, movie etc) to begin |
| 开三次方 | kāi sān cì fāng | cube root; to extract a cube root |
| 开交 | kāi jiāo | (used with negative) to conclude; (impossible) to end; (can't) finish |
| 开仗 | kāi zhàng | to start a war; to open hostilities |
| 开伙 | kāi huǒ | to start providing food; to open today's service in a canteen |
| 开伯尔 | Kāi bó ěr | Khyber province of Pakistan; Northwest Frontier province |
| 开伯尔山口 | Kāi bó ěr shān kǒu | Khyber pass (between Pakistand and Afghanistan) |
| 开例 | kāi lì | to create a precedent |
| 开倒车 | kāi dào chē | to drive in reverse; fig. to take a backward step; retrogressive; trying to turn the clock back |
| 开价 | kāi jià | to quote a price; seller's first offer |
| 开元盛世 | Kāi yuán shèng shì | peak of Tang prosperity during Kaiyuan, reign name 713-741 of Tang emperor Xuanzong 唐玄宗 |
| 开先 | kāi xiān | at first |
| 开光 | kāi guāng | eye-opening ceremony for a religious idol (Buddhism); to consecrate; to bless; transparent; translucent; haircut; shaving the head or face (humorous); a method of decoration; first light (astronomy) |
| 开初 | kāi chū | at the outset; at first; early |
| 开到 | kāi dào | open till... |
| 开创性 | kāi chuàng xìng | innovative |
| 开化县 | Kāi huà xiàn | Kaihua county in Quzhou 衢州, Zhejiang |
