书 書 shū book / letter / document / CL:本[ben3],冊|册[ce4],部[bu4] / to write syn 秘密 mì mì secret / private / confidential / clandestine / a secret (CL:個|个[ge4]) syn 文件 wén jiàn document / file / CL:份[fen4] 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 发送 發送 fā sòng to transmit / to dispatch / to issue (an official document or credential) syn 原始 yuán shǐ first / original / primitive / original (document etc) syn 证件 證件 zhèng jiàn certificate / papers / credentials / document / ID syn 上网 上網 shàng wǎng to go online / to connect to the Internet / (of a document etc) to be uploaded to the Internet / (tennis, volleyball etc) to move in close to the net 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 文书 文書 wén shū document / official correspondence / secretary / secretariat syn 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 复印 複印 fù yìn to photocopy / to duplicate a document 克格勃 kè gé bó KGB (Soviet secret police) / member of the KGB syn 隐秘 隱秘 yǐn mì secret / hidden syn 查询 查詢 chá xún to check / to inquire / to consult (a document etc) / inquiry / query 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 文档 文檔 wén dàng (computer) file / document / documentation 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 稿子 gǎo zi draft of a document / script / manuscript / mental plan / precedent syn 签发 簽發 qiān fā to issue (a document) / to sign and issue officially 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 原件 yuán jiàn the original / original document / master copy 苦衷 kǔ zhōng secret trouble / sorrow / difficulties syn 奥秘 奧祕 ào mì secret / mystery syn 归案 歸案 guī àn to bring to justice / to file away (a document) 暗处 暗處 àn chù secret place 附件 fù jiàn appendix (in a document) / enclosure (accompanying a document) / (email) attachment / accessory (for a car, computer etc) / (anatomy) adnexa syn 参照 參照 cān zhào to consult a reference / to refer to (another document) syn 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 公文 gōng wén official document syn 保险单 保險單 bǎo xiǎn dān insurance policy (document) 三合会 三合會 sān hé huì triad, Chinese crime gang / triad society, anti-Manchu secret society in Qing-dynasty China 条文 條文 tiáo wén clause / explanatory section in a document syn 外泄 wài xiè to leak (usually secret information) syn 盖章 蓋章 gài zhāng to affix a seal / to stamp (a document) / to sign off on sth syn 字样 字樣 zì yàng model or template character / written slogan or phrase / mention (e.g. "air mail" 航空 on a letter, "first draft" 初稿 on a document etc) syn 上行 shàng xíng (of trains) up (i.e. towards the capital) / (of river boats) to go against the current / to submit (a document) to higher authorities syn 繁文缛节 繁文縟節 fán wén rù jié convoluted and overelaborate (document) / unnecessarily elaborate writing / mumbo-jumbo 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 条目 條目 tiáo mù clauses and sub-clauses (in formal document) / entry (in a dictionary, encyclopedia etc) syn 下行 xià xíng (of trains) down (i.e. away from the capital) / (of river boats) to travel downstream / to issue (a document) to lower bureaucratic levels / (of writing on the page) vertical, proceeding from top to bottom syn 翻动 翻動 fān dòng to flip over / to turn (a page) / to scroll (an electronic document) / to stir (food in a pot etc) / to move things about / to rummage 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 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 出具 chū jù to issue (document, certificate etc) / to provide 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 要件 yào jiàn key document / important condition / criterion / requirement / requisite / cornerstone 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 开具 開具 kāi jù to draw up (a document) 修改稿 xiū gǎi gǎo revised draft / new version (of a document) 暗访 暗訪 àn fǎng to make secret inquiries / to investigate in secret syn 白条 白條 bái tiáo IOU / informal document acknowledging a debt 密令 mì lìng secret instruction / secret order 调阅 調閱 diào yuè to access (a document) / to consult 照准 照準 zhào zhǔn request granted (formal usage in old document) / to aim (gun) syn 幽怨 yōu yuàn hidden bitterness / secret grudge syn 正本 zhèng běn original (of a document) / reserved copy (of a library book) syn 基本法 jī běn fǎ basic law (constitutional document) 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 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 倡议书 倡議書 chàng yì shū written proposal / document outlining an initiative 阴德 陰德 yīn dé secret virtue syn 表单 表單 biǎo dān form (document) 外传 外傳 wài chuán to tell others (a secret) / to divulge to an outsider / to be rumored 留空 liú kòng to leave blank space in a document / to leave some time free 