秘密 mì mì secret / private / confidential / clandestine / a secret (CL:個|个[ge4]) syn 特工 tè gōng secret service / special service / secret service agent / special agent syn 密码 密碼 mì mǎ cipher / secret code / password / PIN 机密 機密 jī mì secret / classified (information) syn 公事 gōng shì work-related matters / documents syn 战机 戰機 zhàn jī opportunity in a battle / fighter aircraft / war secret 暗号 暗號 àn hào secret signal (sign) / countersign / password 密室 mì shì a room for keeping sth hidden / secret room / hidden chamber 秘方 祕方 mì fāng secret recipe 秘诀 秘訣 mì jué secret know-how / key (to longevity) / secret (of happiness) / recipe (for success) syn 暗中 àn zhōng in the dark / in secret / on the sly / surreptitiously syn 密探 mì tàn secret agent / detective / covert investigator syn 克格勃 kè gé bó KGB (Soviet secret police) / member of the KGB syn 隐秘 隱秘 yǐn mì secret / hidden syn 灭口 滅口 miè kǒu to kill sb to prevent them from divulging a secret / to silence sb syn 江湖 jiāng hú rivers and lakes / all corners of the country / remote areas to which hermits retreat / section of society operating independently of mainstream society, out of reach of the law / the milieu in which wuxia tales play out (cf. 武俠|武侠[wu3xia2]) / (in late imperial times) world of traveling merchants, itinerant doctors, fortune tellers etc / demimonde / (in modern times) triads / secret gangster societies / underworld syn 帮会 幫會 bāng huì secret society / underworld gang 诀窍 訣竅 jué qiào secret / trick / knack / key syn 密谋 密謀 mì móu conspiracy / secret plan / to conspire 蛛丝马迹 蛛絲馬跡 zhū sī mǎ jì lit. spider's thread and horse track / tiny hints (of a secret) / traces / clue syn 切口 qiè kǒu slang / argot / private language used as secret code syn 宣泄 宣洩 xuān xiè to drain (by leading off water) / to unburden oneself / to divulge / to leak a secret syn 幽会 幽會 yōu huì (usually of lovers) to rendezvous in secret syn 私藏 sī cáng to keep hidden / to keep in one's private possession / secret store / stash 绝密 絕密 jué mì top secret syn 心里话 心裡話 xīn li huà (to express one's) true feelings / what is on one's mind / secret mind 不可告人 bù kě gào rén to be kept secret / not to be divulged syn 苦衷 kǔ zhōng secret trouble / sorrow / difficulties syn 奥秘 奧祕 ào mì secret / mystery syn 暗处 暗處 àn chù secret place 露馅 露餡 lòu xiàn to leak / to expose (sb's secret) / to spill the beans / to let the cat out of the bag 隐情 隱情 yǐn qíng sth one wishes to keep secret / ulterior motive / a subject best avoided syn 三合会 三合會 sān hé huì triad, Chinese crime gang / triad society, anti-Manchu secret society in Qing-dynasty China 外泄 wài xiè to leak (usually secret information) syn 天机 天機 tiān jī mystery known only to heaven (archaic) / inscrutable twist of fate / fig. top secret syn 私通 sī tōng to have secret ties with / to be in covert communication with (the enemy etc) / to engage in an illicit sexual relationship / adultery syn 心病 xīn bìng anxiety / sore point / secret worry / mental disorder / heart disease (medicine) syn 鲜为人知 鮮為人知 xiǎn wéi rén zhī rarely known to anyone (idiom) / almost unknown / secret to all but a few syn 图谱 圖譜 tú pǔ archive of graphics (e.g. maps, documents or botanical figures) / atlas / collection of illustrations or sheet music 机要 機要 jī yào (attributive) (of a person) involved in sensitive, confidential work / (of information) secret / classified syn 失言 shī yán slip of the tongue / indiscretion / to blurt out a secret syn 揭秘 jiē mì to reveal a secret syn 堂而皇之 táng ér huáng zhī overt / to make no secret (of one's presence) / grandiose / with great scope syn 私房钱 私房錢 sī fáng qián secret purse / secret stash of money syn 无记名 無記名 wú jì míng (of a document) not bearing a name / unregistered (financial securities etc) / bearer (bond) / secret (ballot etc) / anonymous / unattributed (remarks) / (of a check) payable to the bearer 别动队 別動隊 bié dòng duì special detachment / commando / an armed secret agent squad 军机 軍機 jūn jī military aircraft / secret plan / Privy Council during the Qing dynasty syn 露底 lòu dǐ to let out a secret syn 黑话 黑話 hēi huà argot / bandits' secret jargon / malicious words syn 密报 密報 mì bào secret report 洞房 dòng fáng secret inner room / bridal room syn 暗访 暗訪 àn fǎng to make secret inquiries / to investigate in secret syn 密令 mì lìng secret instruction / secret order 幽怨 yōu yuàn hidden bitterness / secret grudge syn 国书 國書 guó shū credentials (of a diplomat) / documents exchanged between nations / national or dynastic history book 讳莫如深 諱莫如深 huì mò rú shēn important matter that must be kept secret (idiom) / don't breathe a word of it to anyone! syn 密约 密約 mì yuē secret appointment 文库 文庫 wén kù collection of documents / library / book series / sequence of data, esp. genome syn 锦衣卫 錦衣衛 jǐn yī wèi Brocade Uniform Guard, imperial bodyguard and secret police force of the Ming emperors 秘传 祕傳 mì chuán to hand down secret knowledge from generation to generation within a school or family etc 密使 mì shǐ secret envoy 阳奉阴违 陽奉陰違 yáng fèng yīn wéi outward devotion but inner opposition (idiom) / to pay lip service / to agree overtly, but oppose in secret syn 隐语 隱語 yǐn yǔ secret language / codeword syn 阴德 陰德 yīn dé secret virtue syn 外传 外傳 wài chuán to tell others (a secret) / to divulge to an outsider / to be rumored 秘笈 mì jí secret book or collection of books 私密 sī mì private / secret / intimate 暗喜 àn xǐ hidden smile / smirk / to rejoice covertly / secret satisfaction concerning one's evil plans syn 隐忧 隱憂 yǐn yōu secret concern / private worry syn 要诀 要訣 yào jué the key trick / the secret of success syn 隐密 隱密 yǐn mì secret / hidden 选编 選編 xuǎn biān selected works (poems, documents etc) / anthology 神不知鬼不觉 神不知鬼不覺 shén bù zhī guǐ bù jué top secret / hush-hush 明码 明碼 míng mǎ non-secret code (such as Morse code, Chinese telegraph code, ASCII etc) / plaintext (cryptography) / (of prices) clearly marked syn 隐痛 隱痛 yǐn tòng hidden anguish / secret suffering / (medicine) dull pain syn 国家机密 國家機密 guó jiā jī mì state secret 变造 變造 biàn zào to alter / to modify / to mutilate (of documents) 细作 細作 xì zuò (old) spy / secret agent syn 姜子牙 薑子牙 jiāng zǐ yá Jiang Ziya (c. 1100 BC, dates of birth and death unknown), partly mythical sage advisor to King Wen of Zhou 周文王[Zhou1 Wen2 wang2] and purported author of “Six Secret Strategic Teachings” 六韜|六韬[Liu4 tao1], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wu3 jing1 Qi1 shu1] 生活资料 生活資料 shēng huó zī liào consumer goods / means of livelihood / means of subsistence / documents relating to sb's life syn 无记名投票 無記名投票 wú jì míng tóu piào secret ballot 韬略 韜略 tāo lüè military strategy / military tactics / originally refers to military classics Six Secret Teachings 六韜|六韬[Liu4 tao1] and Three Strategies 三略[San1 lu:e4] syn 密函 mì hán secret letter 明察暗访 明察暗訪 míng chá àn fǎng open enquiries and secret search (idiom) / to investigate openly and in secret / taking information from all sides syn 代书 代書 dài shū to write on sb's behalf / a scrivener (who writes legal documents or letters for others) 暗记 暗記 àn jì to commit to memory / secret mark 杜月笙 dù yuè shēng Du Yuesheng (1888-1951), Shanghai secret-society leader, banker, industrialist 书经 書經 shū jīng the Book of History, one of the Five Classics of Confucianism 五經|五经[Wu3 jing1], a compendium of documents which make up the oldest extant texts of Chinese history, from legendary times down to the time of Confucius, also known as 尚書經|尚书经[Shang4 shu1 jing1], 尚書|尚书[Shang4 shu1], 書|书[Shu1] 帮 幫 bāng to help / to assist / to support / for sb (i.e. as a help) / hired (as worker) / side (of pail, boat etc) / outer layer / upper (of a shoe) / group / gang / clique / party / secret society syn 黑 hēi black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing) syn 纸 紙 zhǐ paper (CL:張|张[zhang1],沓[da2]) / classifier for documents, letters etc syn 密 mì dense / close / thick / intimate / close / (bound form) secret / confidential / (Internet slang) to send a private message to (sb) / to DM syn 秘 mì secret / secretary syn 潜 潛 qián hidden / secret / latent / to hide / to conceal / to submerge / to dive syn 隐 隱 yǐn (bound form) secret / hidden / concealed / crypto- syn 不为人知 不為人知 bù wéi rén zhī not known to anyone / secret / unknown syn 开后门 開後門 kāi hòu mén to open the back door / fig. under the counter / to do a secret or dishonest deal / to let sth in by the back door syn 牍 牘 dú documents 密电 密電 mì diàn coded telegram / secret telegram 