| 海关总署 | hǎi guān zǒng shǔ | General Administration of Customs (GAC) |
| 海关部门 | hǎi guān bù mén | customs section |
| 清关 | qīng guān | customs clearance |
| 潼关县 | Tóng guān xiàn | Tongguan county in Wèinán 渭南, Shǎnxī |
| 无关紧要 | wú guān jǐn yào | indifferent; insignificant |
| 特殊关系 | tè shū guān xì | special relation |
| 玄关 | xuán guān | entrance hall; front door; porch; vestibule |
| 玉门关 | Yù mén Guān | Yumen Pass, or Jade Gate, western frontier post on the Silk Road in the Han Dynasty, west of Dunhuang, in Gansu |
| 生死攸关 | shēng sǐ yōu guān | matter of life and death |
| 生死关头 | shēng sǐ guān tóu | the critical moment; life and death crisis |
| 男女关系 | nán nǚ guān xì | man-woman connection; intimate relationship |
| 相互关系 | xiāng hù guān xì | mutual relations; common interest |
| 相关系数 | xiāng guān xì shù | correlation |
| 相关性 | xiāng guān xìng | correlation |
| 蒙混过关 | méng hùn guò guān | to get away with it; to slip through; to bluff one's way out; Taiwan pr. [meng1 hun4 guo4 guan1] |
| 社会关怀 | shè huì guān huái | social care |
| 税关 | shuì guān | customs house (in ancient times) |
| 等价关系 | děng jià guān xì | equivalence relation (math.) |
| 网关 | wǎng guān | network router; gateway (to internet or between networks) |
| 紧要关头 | jǐn yào guān tóu | urgent and important moment (idiom); critical juncture |
| 总开关 | zǒng kāi guān | main switch |
| 至关重要 | zhì guān zhòng yào | extremely important; vital; crucial; essential |
| 血缘关系 | xuè yuán guān xì | blood relation; consanguinity |
| 行政机关 | xíng zhèng jī guān | administrative authority; branch of government |
| 亲缘关系 | qīn yuán guān xì | family relation |
| 言论机关 | yán lùn jī guān | the press; the media |
| 请多多关照 | qǐng duō duō guān zhào | pleased to meet you; enchanté |
| 请多关照 | qǐng duō guān zhào | please treat me kindly (conventional greeting); thank you for looking after me; hello, I'm glad to be here |
| 识破机关 | shí pò jī guān | to see through a trick |
| 宾语关系从句 | bīn yǔ guān xì cóng jù | object relative clause |
| 卖关子 | mài guān zi | do something reluctantly; keep listeners in suspense (in storytelling); keep people on tenterhooks |
| 轻机关枪 | qīng jī guān qiāng | also written 轻机枪; light machine gun |
| 转关系 | zhuǎn guān xi | to transfer (from one unit to another) |
| 退关 | tuì guān | shut-out, container or consigment not carried on the intended vessel or aircraft |
| 通关 | tōng guān | to clear customs |
| 通关文牒 | tōng guān wén dié | passport |
| 进关 | jìn guān | inbound customs (international trade) |
| 过度关怀 | guò dù guān huái | obsession; excessive concern |
| 递推关系 | dì tuī guān xì | recurrence relation |
| 边关 | biān guān | border station; strategic defensive position on frontier |
| 重机关枪 | zhòng jī guān qiāng | also written 重机枪; heavy machine gun |
| 金融机关 | jīn róng jī guān | financial organization |
| 闭关锁国 | bì guān suǒ guó | to close the passes and seal off the country; to close a country to exclude foreign contact |
| 闯关 | chuǎng guān | to crash through a barrier |
| 闯关者 | chuǎng guān zhě | person who crashes through a barrier; gate-crasher |
| 关中地区 | Guān zhōng dì qū | Guanzhong plain in Shaanxi, valley of the Wei River 渭河 |
| 关中平原 | Guān zhōng píng yuán | Guanzhong plain in Shaanxi, valley of the Wei River 渭河 |
| 关之琳 | Guān Zhī lín | Rosamund Kwan (1962-), Hong Kong actress |
| 关乎 | guān hū | to relate to; concerning; about |
| 关系到 | guān xì dào | relates to; bears upon |
