必要 bì yào necessary / essential / indispensable / required syn 特工 tè gōng secret service / special service / secret service agent / special agent syn 必需 bì xū to need / to require / essential / indispensable syn 要点 要點 yào diǎn main point / essential syn 有色 yǒu sè colored / non-white / non-ferrous (metals) syn 运营 運營 yùn yíng to be in operation / to do business / (of train, bus etc) to be in service / operation / service syn 主流 zhǔ liú main stream (of a river) / fig. the essential point / main viewpoint of a matter / mainstream (culture etc) syn 要素 yào sù essential factor / key constituent syn 必需品 bì xū pǐn necessity / essential (thing) syn 必备 必備 bì bèi essential syn 追悼会 追悼會 zhuī dào huì memorial service / funeral service 闪光点 閃光點 shǎn guāng diǎn lit. flash point / crucial point / essential point 必不可少 bì bù kě shǎo absolutely necessary / indispensable / essential syn 可有可无 可有可無 kě yǒu kě wú not essential / dispensable syn 纲要 綱要 gāng yào outline / essential points syn 切切 qiè qiè urgently / eagerly / worried / (urge sb to) be sure to / it is absolutely essential to (follow the above instruction) syn 因噎废食 因噎廢食 yīn yē fèi shí lit. not eating for fear of choking (idiom) / fig. to cut off one's nose to spite one's face / to avoid sth essential because of a slight risk syn 车次 車次 chē cì train or coach service ("service" as in "they run 12 services per day between the two cities") 开通 開通 kāi tōng to open (a new road or railway line) / to set up (a hotline) / to launch (a service) / to subscribe to (a members-only service) syn 客户服务 客戶服務 kè hù fú wù customer service / client service 精油 jīng yóu essential oil 志愿服务 zhì yuàn fù wù volunteer service / voluntary service 赖氨酸 賴氨酸 lài ān suān lysine (Lys), an essential amino acid 蛋氨酸 dàn ān suān methionine (Met), an essential amino acid 精氨酸 jīng ān suān argnine (Arg), an essential amino acid 停航 tíng háng to stop running (of flight of shipping service) / to suspend service (flight, sailing) / to interrupt schedule 色氨酸 sè ān suān tryptophan (Trp), an essential amino acid 功 gōng meritorious deed or service / achievement / result / service / accomplishment / work (physics) syn 至关重要 至關重要 zhì guān zhòng yào extremely important / vital / crucial / essential syn 苏氨酸 蘇氨酸 sū ān suān threonine (Thr), an essential amino acid 卟啉 bǔ lín porphyrin (organic chemical essential to hemoglobin and chlorophyll) (loanword) 亮氨酸 liàng ān suān leucine (Leu), an essential amino acid 组氨酸 組氨酸 zǔ ān suān histidine (His), an essential amino acid 异亮氨酸 異亮氨酸 yì liàng ān suān isoleucine (Ile), an essential amino acid 儿 兒 r non-syllabic diminutive suffix / retroflex final syn 非 fēi to not be / not / wrong / incorrect / non- / un- / in- / de- / to reproach / to blame / (coll.) to insist on / simply must syn 爱人 愛人 ài ren spouse (PRC) / lover (non-PRC) / CL:個|个[ge4] syn 管制 guǎn zhì to control / to restrict / (PRC law) non-custodial sentence with specified restrictions on one's activities for up to 3 years (e.g. not to participate in demonstrations) syn 内幕 內幕 nèi mù inside story / non-public information / behind the scenes / internal syn 改头换面 改頭換面 gǎi tóu huàn miàn to change outwardly while remaining essentially the same (derog.) (idiom) / (Tw) (non-derogatory) to change considerably / to undergo a transformation syn 民间 民間 mín jiān among the people / popular / folk / non-governmental / involving people rather than governments 旁观 旁觀 páng guān spectator / non-participant syn 会话 會話 huì huà (language learning) conversation / dialog / to converse (in a non-native language) / (computing) session / CL:個|个[ge4],次[ci4] syn 轻重缓急 輕重緩急 qīng zhòng huǎn jí slight or important, urgent or non-urgent (idiom) / to deal with important matters first / sense of priority syn 异己 異己 yì jǐ dissident / alien / outsider / non-self / others syn 老外 lǎo wài (coll.) foreigner (esp. non Asian person) / layman / amateur syn 华裔 華裔 huá yì ethnic Chinese / non-Chinese citizen of Chinese ancestry syn 副食品 fù shí pǐn non-staple foods / (Tw) solids (food for infants other than breast milk and formula) syn 平滑肌 píng huá jī smooth muscle (anatomy) / non-striated muscle syn 无产者 無產者 wú chǎn zhě proletariat / non-propertied person syn 不粘锅 不粘鍋 bù zhān guō non-stick pan 荤菜 葷菜 hūn cài non-vegetarian dish (including meat, fish, garlic, onion etc) syn 直飞 直飛 zhí fēi to fly non-stop / to fly direct (to ...) 副食 fù shí non-staple food / CL:種|种[zhong3] syn 做功 zuò gōng (physics) to do work / non-vocal acting (in traditional Chinese opera) 实名 實名 shí míng real-name (registration etc) / non-anonymous 有色金属 有色金屬 yǒu sè jīn shǔ non-ferrous metals (all metals excluding iron, chromium, manganese and their alloys) 不承认 不承認 bù chéng rèn non-recognition 不定期 bù dìng qī non-scheduled / irregularly 无我 無我 wú wǒ anatta (Buddhist concept of "non-self") 非主流 fēi zhǔ liú alternative / non-mainstream 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 蛮夷 蠻夷 mán yí common term for non-Han peoples in former times, not exclusively derogatory / barbarian 无生命 無生命 wú shēng mìng non-living / inanimate / lifeless 东夷 東夷 dōng yí Eastern Barbarians, non-Han tribe living to the east of China c 2200 BC 奶精 nǎi jīng non-dairy creamer 不干预 不幹預 non-intervention 十六国 十六國 shí liù guó Sixteen Kingdoms of Five non-Han people (ruling most of China 304-439) / also written 五胡十六國|五胡十六国 夷狄 yí dí non-Han tribes in the east and north of ancient China / barbarians 赵紫阳 趙紫陽 zhào zǐ yáng Zhao Ziyang (1919-2005), PRC reforming politician, general secretary of Chinese Communist Party 1987-1989, held under house arrest from 1989 to his death, and non-person since then 服务 服務 fú wù to serve / service / CL:項|项[xiang4] syn 机场 機場 jī chǎng airport / airfield / (slang) service provider for Shadowsocks or similar software for circumventing Internet censorship / CL:家[jia1],處|处[chu4] syn 礼拜 禮拜 lǐ bài to attend a religious service / (coll.) week / (coll.) Sunday syn 下班 xià bān to finish work / to get off work / next service (train, bus, etc) syn 服务员 服務員 fú wù yuán waiter / waitress / attendant / customer service personnel / CL:個|个[ge4],位[wei4] syn 拉丁 lā dīng Latin / (in former times) to press-gang / to kidnap and force people into service 失误 失誤 shī wù lapse / mistake / to make a mistake / fault / service fault (in volleyball, tennis etc) syn 业务 業務 yè wù business / professional work / service / CL:項|项[xiang4] syn 运行 運行 yùn xíng (of celestial bodies etc) to move along one's course / (fig.) to function / to be in operation / (of a train service etc) to operate / to run / (of a computer) to run syn 窗口 chuāng kǒu window / opening providing restricted access (e.g. customer service window) / computer operating system window / fig. medium / intermediary / showpiece / testing ground 服役 fú yì to serve in the army / in active service syn 功劳 功勞 gōng láo contribution / meritorious service / credit syn 品质 品質 pǐn zhì character / intrinsic quality (of a person) / quality (of a product or service, or as in "quality of life", "air quality" etc) syn 餐具 cān jù tableware / dinner service 退伍 tuì wǔ to be discharged from military service syn 自助餐 zì zhù cān buffet / self-service meal 门诊 門診 mén zhěn outpatient service 自助 zì zhù self-service 套餐 tào cān set meal / (fig.) product or service package (e.g. for a cell phone subscription) 税务 稅務 shuì wù taxation services / state revenue service 直达 直達 zhí dá to reach (a place) directly / (transportation) to reach the destination without changing service or without stopping / (of a train, flight etc) direct / nonstop syn 班车 班車 bān chē regular bus (service) syn 受理 shòu lǐ to accept to hear a case / to handle (a service) 兵役 bīng yì military service 邮政 郵政 yóu zhèng postal service / postal 高考 gāo kǎo college entrance exam (especially as abbr. for 普通高等學校招生全國統一考試|普通高等学校招生全国统一考试[Pu3 tong1 Gao1 deng3 Xue2 xiao4 Zhao1 sheng1 Quan2 guo2 Tong3 yi1 Kao3 shi4]) / (Tw) entrance exam for senior government service posts (abbr. for 公務人員高等考試|公务人员高等考试) 文职 文職 wén zhí civilian post (as opposed to military) / civil service / administration 勤务 勤務 qín wù service / duties / an orderly (military) syn 检修 檢修 jiǎn xiū to overhaul / to examine and fix (a motor) / to service (a vehicle) 