| 开展 | kāi zhǎn | to launch / to develop / to unfold / (of an exhibition etc) to open |   |
| 开放 | kāi fàng | to bloom / to open / to be open (to the public) / to open up (to the outside) / to be open-minded / unrestrained by convention / unconstrained in one's sexuality | |
| 透明 | tòu míng | transparent / open (non-secretive) | |
| 开阔 | kāi kuò | wide / open (spaces) / to open up | |
| 坦率 | tǎn shuài | frank (discussion) / blunt / open | |
| 打开 | dǎ kāi | to open / to show (a ticket) / to turn on / to switch on | |
| 开启 | kāi qǐ | to open / to start / (computing) to enable | |
| 正面 | zhèng miàn | front / obverse side / right side / positive / direct / open | |
| 开设 | kāi shè | to offer (goods or services) / to open (for business etc) | |
| 开业 | kāi yè | to open a business / to open a practice / open (for business) | |
| 开幕 | kāi mù | to open (a conference) / to inaugurate | |
| 睁开 | zhēng kāi | to open (one's eyes) | |
| 揭开 | jiē kāi | to uncover / to open | |
| 开办 | kāi bàn | to open / to start (a business etc) / to set up | |
| 开场 | kāi chǎng | to begin / to open / to start / beginning of an event | |
| 公开赛 | gōng kāi sài | (sports) open championship / open (as in "the US Open") | |
| 爽朗 | shuǎng lǎng | clear and bright (of weather) / straightforward / candid / open | |
| 开立 | kāi lì | to found / to establish / to set up / to open (an account, a branch store etc) / to draw up (a certificate, receipt, prescription etc) | |
| 直白 | zhí bái | frank / open / blunt | |
| 开发 | kāi fā | to exploit (a resource) / to open up (for development) / to develop | |
| 开通 | kāi tōng | to open up (windows for air, ideas for discussion, transportation routes etc) | |
| 开口 | kāi kǒu | to open one's mouth / to start to talk | |
| 开关 | kāi guān | power switch / gas valve / to open the city (or frontier) gate / to open and close / to switch on and off | |
| 开拓 | kāi tuò | to break new ground (for agriculture) / to open up (a new seam) / to develop (border regions) / fig. to open up (new horizons) | |
| 开门 | kāi mén | to open a door (lit. and fig.) / to open for business | |
| 拉开 | lā kāi | to pull open / to pull apart / to space out / to increase | |
| 推开 | tuī kāi | to push open (a gate etc) / to push away / to reject / to decline | |
| 改革开放 | gǎi gé kāi fàng | to reform and open to the outside world / refers to Deng Xiaoping's policies from around 1980 | |
| 开店 | kāi diàn | to open shop | |
| 张开 | zhāng kāi | to open up / to spread / to extend | |
| 挂牌 | guà pái | lit. to hang up a plate / to open up for business / listed (on stock market) | |
| 老实 | lǎo shi | honest / sincere / well-behaved / open and guileless / naive | |
| 开辟 | kāi pì | to open up / to set up / to establish | |
| 开朗 | kāi lǎng | spacious and well-lit / open and clear / (of character) optimistic / cheerful / carefree | |
| 开户 | kāi hù | to open an account (bank etc) | |
| 大口 | dà kǒu | big mouthful (of food, drink, smoke etc) / open mouth / gulping / gobbling / gaping | |
| 开张 | kāi zhāng | to open a business / first transaction of a business day | |
| 开花 | kāi huā | to bloom / to blossom / to flower / fig. to burst open / to feel happy or elated / new development grows out | |
| 张扬 | zhāng yáng | to display ostentatiously / to bring out into the open / to make public / to spread around / flamboyant / brash | |
| 敞开 | chǎng kāi | to open wide / unrestrictedly | |
| 朝向 | cháo xiàng | toward / to face / to open onto / to turn towards / orientation / exposure / Qibla (Islam) | |
| 开到 | kāi dào | open till... | |
| 开枪 | kāi qiāng | to open fire / to shoot a gun | |
| 翻开 | fān kāi | to open up | |
| 开眼 | kāi yǎn | to open one's eyes / to widen one's horizons | |
| 露天 | lù tiān | outdoors / al fresco / in the open | |
| 胸怀 | xiōng huái | one's bosom (the seat of emotions) / breast / broad-minded and open / to think about / to cherish | |
| 通车 | tōng chē | to open to traffic (e.g. new bridge, rail line etc) / (of a locality) to have a transportation service / (Tw) to commute | |
| 打通 | dǎ tōng | to open access / to establish contact / to remove a block / to put through (a phone connection) | |
| 大开 | dà kāi | to open wide | |
| 张口 | zhāng kǒu | to open one's mouth (to eat, speak etc) / to gape / to start talking (esp. to make a request) | |
| 掀开 | xiān kāi | to lift open / to tear open | |
| 空地 | kòng dì | vacant land / open space | |
| 破获 | pò huò | to uncover (a criminal plot) / to break open and capture | |
| 田野 | tián yě | field / open land / CL:片[pian4] | |
| 破门 | pò mén | to burst or force open a door / to excommunicate sb (from the Roman Catholic Church) / to score a goal (in football, hockey etc) | |
| 张嘴 | zhāng zuǐ | to open one's mouth (to speak, esp. to make a request) / to gape | |
| 拆开 | chāi kāi | to dismantle / to disassemble / to open up (sth sealed) / to unpick | |
| 划破 | huá pò | to cut open / to rip / to streak across (lightning, meteor etc) / to pierce (scream, searchlight etc) | |
| 海阔天空 | hǎi kuò tiān kōng | wide sea and sky (idiom) / boundless open vistas / the whole wide world / chatting about everything under the sun | |
| 睁眼 | zhēng yǎn | to open one's eyes | |
| 散装 | sǎn zhuāng | loose goods / goods sold open / draft (of beer, as opposed to bottled) | |
| 远洋 | yuǎn yáng | distant seas / the open ocean (far from the coast) | |
| 原野 | yuán yě | plain / open country | |
| 裂开 | liè kāi | to split open | |
| 开火 | kāi huǒ | to open fire | |
| 开路 | kāi lù | to open up a path / to make one's way through / to construct a road / (electricity) open circuit | |
| 通电 | tōng diàn | to set up an electric circuit / to electrify / to switch on / to be connected to an electricity grid / open telegram | |
| 开山 | kāi shān | to cut into a mountain (to open a mine) / to open a monastery | |
| 疏导 | shū dǎo | to dredge / to open up a path for / to remove obstructions / to clear the way / to enlighten / persuasion | |
| 呼之欲出 | hū zhī yù chū | lit. ready to appear at the call (idiom) / fig. on the verge of coming out into the open / (of a person's choice etc) on the point of being disclosed / (of an artistic depiction) vividly portrayed | |
| 光明正大 | guāng míng zhèng dà | (of a person) honorable / not devious / (of a behavior) fair and aboveboard / without tricks / openly / (of a situation) out in the open | |
| 海选 | hǎi xuǎn | (in elections for village committees in the PRC since the 1990s) unrestricted nomination, a type of election where 1. everyone in the community is eligible to nominate somebody 2. voting is done by writing the name of one's nominee on the ballot, and 3. one's nominee can be anyone in the community (Nominees who receive the highest number of votes may be thereby elected or, more often, presented as the candidates in a further round of voting.) / (in other contexts) selection of the best contender in a process open to all comers / (in the entertainment industry) open audition | |
| 瞪眼 | dèng yǎn | to open one's eyes wide / to stare / to glare (at sb) / to scowl | |
| 开国 | kāi guó | to found a state / to open a closed country | |
| 启齿 | qǐ chǐ | to open one's mouth / to start talking | |
| 开裂 | kāi liè | to split open / to dehisce (of fruit or cotton bolls, to split open) | |
| 公开信 | gōng kāi xìn | open letter | |
| 開荒 | kāi huāng | to open up land (for agriculture) | |
| 开荒 | kāi huāng | to open up land (for agriculture) | |
| 开票 | kāi piào | to open ballot boxes / to count votes / to make out a voucher or invoice etc / to write out a receipt | |
| 开门见山 | kāi mén jiàn shān | lit. to open the door and see the mountain / fig. to get right to the point (idiom) | |
| 决裂 | jué liè | to rupture / to burst open / to break / to break off relations with / a rupture | |
| 擂台赛 | lèi tái sài | single-elimination open tournament (the winner stays on until he is himself defeated) | |
| 火堆 | huǒ duī | bonfire / to open fire | |
| 劈开 | pī kāi | to cleave / to split open / to spread open (fingers, legs) | |
| 露宿 | lù sù | to sleep outdoors / to spend the night in the open | |
| 四通八达 | sì tōng bā dá | roads open in all directions (idiom) / accessible from all sides | |
| 澳网 | Aò wǎng | Australian Open (tennis tournament) | |
| 开市 | kāi shì | (of a store, stock market etc) to open for trading / to make the first transaction of the day | |
| 放养 | fàng yǎng | to raise (livestock or poultry) in an open environment / to breed (fish, bees, silkworms etc) in a suitable environment / to culture (kelp etc) / to release (a captive animal) into the wild | |
| 豁然 | huò rán | wide and open / a flash of understanding | |
| 撬开 | qiào kāi | to pry open / to lever open | |
| 美网 | Měi wǎng | US Open (tennis tournament) | |
| 开炮 | kāi pào | to open fire | |
| 敲开 | qiāo kāi | to get sth open by tapping or striking it / (figuratively, when followed by sth like ∼的大門|∼的大门[xx5 de5 da4 men2]) to open the door to ~ / to gain access to ~ | |
| 光明磊落 | guāng míng lěi luò | open and candid (idiom) / straightforward and upright | |
| 开单 | kāi dān | to bill / to open a tab | |
| 剖腹 | pōu fù | to cut open the abdomen / to disembowel / to speak from the heart | |
| 明火 | míng huǒ | flame / open fire | |
