| 观察 | guān chá | to observe; to watch; to survey; to examine; observation; view; perspective; CL:个 |
| 察 | chá | to examine; to inquire; to observe; to inspect; to look into; obvious; clearly evident |
| 检察 | jiǎn chá | to inspect; check up (on) |
| 考察 | kǎo chá | to inspect; to observe and study; on-the-spot investigation |
| 警察 | jǐng chá | police; policeman; policewoman; CL:个 |
| 监察 | jiān chá | to supervise; to control |
| 侦察 | zhēn chá | to investigate a crime; to scout; to reconnoiter; reconnaissance; detection; a scout |
| 视察 | shì chá | to inspect; an investigation |
| 觉察 | jué chá | to sense; to perceive; to come to realize; to be aware |
| 察觉 | chá jué | to sense; to perceive; to become aware of; to detect |
| 察看 | chá kàn | to watch; to look carefully at |
| 勘察 | kān chá | to reconnoiter; to explore; to survey |
| 纠察 | jiū chá | to maintain order; steward (policing a meeting) |
| 观察家 | guān chá jiā | observer; The Observer (UK newspaper) |
| 高尔察克 | Gāo ěr chá kè | Aleksandr Kolchak |
| 审察 | shěn chá | to investigate; to examine closely |
| 观察员 | guān chá yuán | observer |
| 洞察 | dòng chá | to see clearly |
| 侦察机 | zhēn chá jī | surveillance aircraft; spy plane |
| 人民警察 | rén mín jǐng chá | civil police; PRC police |
| 体察 | tǐ chá | to experience; to observe |
中共中央纪委监察
部 | zhōng gòng zhōng yāng jì wěi jiān chá bù | party discipline committee |
中国人民武装警察
部队 | Zhōng guó Rén mín Wǔ zhuāng Jǐng chá Bù duì | People's Armed Police (PAP) |
| 交通警察 | jiāo tōng jǐng chá | traffic police; abbr. to 交警 |
| 人权观察 | rén quán guān chá | Human Rights Watch (HRW), New York based non-governmental organization |
| 便衣警察 | biàn yī jǐng chá | plain-clothed policeman |
| 信用观察 | xìn yòng guān chá | credit watch |
| 侦察兵 | zhēn chá bīng | a scout; spy |
| 侦察员 | zhēn chá yuán | detective; investigator; scout; spy |
| 侦察性 | zhēn chá xìng | investigatory |
| 刑事警察局 | xíng shì jǐng chá jú | criminal investigation bureau |
| 刚察 | Gāng chá | Gangcha county (Tibetan: rkang tsha rdzong) in Haibei Tibetan autonomous prefecture 海北藏族自治州, Qinghai |
| 刚察县 | Gāng chá xiàn | Gangcha county (Tibetan: rkang tsha rdzong) in Haibei Tibetan autonomous prefecture 海北藏族自治州, Qinghai |
| 勘察加 | Kān chá jiā | Kamchatka (far eastern province of Russia) |
| 勘察加半岛 | Kān chá jiā bàn dǎo | Kamchatka peninsula in the Russian far east |
| 国际刑事警察组织 | Guó jì Xíng shì Jǐng chá Zǔ zhī | International Criminal Police Organization (Interpol) |
| 堪察加 | Kān chá jiā | Kamchatka (peninsula of Russian Pacific) |
| 堪察加半岛 | kān chá jiā bàn dǎo | Kamchatka peninsula |
| 失察 | shī chá | to fail in observing or supervising; to miss; to let sth slip through |
| 察合台 | Chá gě tái | Chagatai (died 1241), a son of Genghis Khan |
| 察哈尔右翼中旗 | Chá hā ěr yòu yì zhōng qí | Chahar Right Center banner or Caxar Baruun Garyn Dund khoshuu in Ulaanchab 乌兰察布, Inner Mongolia |
| 察哈尔右翼前旗 | Chá hā ěr yòu yì qián qí | Chahar Right Front banner or Caxar Baruun Garyn Ömnöd khoshuu in Ulaanchab 乌兰察布, Inner Mongolia |
| 察哈尔右翼后旗 | Chá hā ěr yòu yì hòu qí | Chahar Right Rear banner or Caxar Baruun Garyn Xoit khoshuu in Ulaanchab 乌兰察布, Inner Mongolia |
| 察察 | chá chá | clean; spotless |
| 察察为明 | chá chá wéi míng | keenly observant of trivial details |
| 察布查尔 | Chá bù chá ěr | Qapqal Xibe autonomous county in Ili Kazakh autonomous prefecture 伊犁哈萨克自治州, Xinjiang |
| 察布查尔县 | Chá bù chá ěr xiàn | Qapqal Xibe autonomous county in Ili Kazakh autonomous prefecture 伊犁哈萨克自治州, Xinjiang |
察布查尔锡伯自治
县 | Chá bù chá ěr Xī bó zì zhì xiàn | Qapqal Xibe autonomous county in Ili Kazakh autonomous prefecture 伊犁哈萨克自治州, Xinjiang |
| 察微知著 | chá wēi zhī zhù | examine tiny clues to know general trend (idiom); deduce the whole story from small traces |
| 察尔汗盐湖 | Chá ěr hàn yán hú | Qarhan salt lake in west Qinghai |
