难解 難解 nán jiě hard to solve / hard to dispel / hard to understand / hard to undo 难说 難說 nán shuō hard to tell (i.e. hard to judge or hard to predict) / cannot bring oneself to say it syn 努力 nǔ lì to make an effort / to try hard / to strive / hard-working / conscientious syn 辛苦 xīn kǔ exhausting / hard / tough / arduous / to work hard / to go to a lot of trouble / hardship(s) syn 移动硬盘 移動硬盤 yí dòng yìng pán portable hard drive / external hard drive 苦练 苦練 kǔ liàn to train hard / to practice diligently / hard work / blood, sweat, and tears 硬碟 yìng dié (Tw) hard disk / hard drive 难解难分 難解難分 nán jiě nán fēn hard to untie, hard to separate (idiom) / inextricably involved / locked in battle syn 积重难返 積重難返 jī zhòng nán fǎn ingrained habits are hard to overcome (idiom) / bad old practices die hard syn 刻苦耐劳 刻苦耐勞 kè kǔ nài láo to bear hardships and work hard (idiom) / assiduous and long-suffering / hard-working and capable of overcoming adversity syn 戴盆望天 dài pén wàng tiān lit. viewing the sky with a basin on one's head / it is hard to get a clear view of the sky while carrying a platter on one's head / fig. it is hard to get on in one's career while encumbered by family obligations / one can't perform a major task while bothered by other duties syn 良工心苦 liáng gōng xīn kǔ expert craft from hard practice (idiom) / hard-won skill / A masterpiece demands suffering. 疑难杂症 疑難雜症 yí nán zá zhèng dubious or hard-to-treat cases (medicine) / hard cases 难以应付 難以應付 nán yǐ yìng fù hard to deal with / hard to handle 硬磁盘 硬磁盤 yìng cí pán hard drive / hard disk 明枪好躲，暗箭难防 明槍好躲，暗箭難防 míng qiāng hǎo duǒ , àn jiàn nán fáng lit. easy to dodge the spear in the open, hard to avoid a stab in the dark (idiom) / it is hard to guard against secret conspiracies 明枪易躲，暗箭难防 明槍易躲，暗箭難防 míng qiāng yì duǒ , àn jiàn nán fáng lit. easy to dodge the spear in the open, hard to avoid a stab in the dark (idiom) / it is hard to guard against secret conspiracies 硬墙营房 硬牆營房 yìng qiáng yíng fáng hard-walled camp / hard-walled module / rigid structure 硬墙宿舍 硬墻宿舍 hard-walled camp / hard-walled module / rigid structure 储存场 儲存場 chǔ cún chǎng hard-standing / hard-stand 难搞 難搞 nán gǎo hard to deal with / hard to get along with 硬式磁碟机 硬式磁碟機 yìng shì cí dié jī hard disk / hard drive 硬编码 硬編碼 yìng biān mǎ (computing) to hard code / hard-coded 克制 kè zhì to restrain / to control / restraint / self-control syn 掌控 zhǎng kòng to control / in control of 自控 zì kòng automated / automatically regulated / to control oneself / self-control syn 控制权 控制權 kòng zhì quán control (as in "to win control") 攻占 攻佔 gōng zhàn to seize control of (an enemy position) / (fig.) to take by storm / to gain (awards, control of a market etc) syn 身不由己 shēn bù yóu jǐ (idiom) (of one's circumstances) beyond one's control / unable to do anything about it / (of one's actions) not subject to conscious control (i.e. done in spite of oneself) syn 电控 電控 diàn kòng electric control / electronic control 管束 guǎn shù to exercise control over / restriction / control syn 控制线 控制線 kòng zhì xiàn line of control / control line 控制区 控制區 kòng zhì qū control area / control point 控制站 kòng zhì zhàn control post / control point / traffic post 核反应堆控制棒 nuclear reactor control rod / control rod 关于港口国监督的巴黎谅解备忘录 Paris Memorandum of Understanding on Port State Control / Paris MOU on Port State Control / Paris MOU 世界卫生组织烟草控制框架公约 世界衛生組織煙草控制框架公約 WHO Framework Convention on Tobacco Control / Framework Convention on Tobacco Control 气候控制 qì hòu kòng zhì climate control / climatic control 可移式空中交通管制系统 可移式空中交通管制系統 transportable air traffic control system / TPT air traffic control system 美国疾病防治中心 美國疾病防治中心 United States Centers for Disease Control and Prevention / Centers for Disease Control 疾病防治中心 United States Centers for Disease Control and Prevention / Centers for Disease Control 命令和控制性法规 命令和控制性法規 command-and-control legislation / command-and-control 生物控制 shēng wù kòng zhì biotic control / biological control 管制点 管制點 guǎn zhì diǎn control post / control point / traffic post 无线电网控制台 無線電网控制台 wú xiàn diàn wǎng kòng zhì tái net control station / network control station 无线电通讯网主台 無線電通訊网主台 wú xiàn diàn tòng xùn wǎng zhǔ tái net control station / network control station 管制线 管制線 guǎn zhì xiàn line of control / control line 不扩散导弹和导弹技术全球控制系统 不擴散導彈和導彈技術全球控制系統 Global Control System for Non-Proliferation of Missiles and Missile Technologies / Global Control System 全球控制系统 全球控制系統 quán qiú kòng zhì xì tǒng Global Control System for Non-Proliferation of Missiles and Missile Technologies / Global Control System 大地控制网 大地控制網 geodetic control network / geodetic control / geodetic network 大地网 大地網 geodetic control network / geodetic control / geodetic network 平面控制网 píng miàn kòng zhì wǎng horizontal geodetic network / horizontal control network / horizontal control 水平控制网 shuǐ píng kòng zhì wǎng horizontal geodetic network / horizontal control network / horizontal control 高程控制网 gāo chéng kòng zhì wǎng vertical geodetic network / vertical control network / vertical control 大地控制站 control point / control station 控制基础审计 控制基礎審計 control-based audit / control audit 北南联合核管制委员会 北南聯合核管制委員會 North-South Joint Nuclear Control Committee / Joint Nuclear Control Committee 遥控装置 遙控裝置 remote-control mechanism / remote-control activation mechanism 联合国出入控制系统 聯合國出入控制系統 United Nations Access Control System / Access Control System 病虫害绿色防控 病蟲害綠色防控 bìng chóng hài lǜ sè fáng kòng green pest prevention and control / environmentally friendly methods of pest control and prevention 边控 邊控 biān kòng border control (abbr. for 邊境控制|边境控制[bian1 jing4 kong4 zhi4]) / to place sb on a border control list (a list of people to be detained if they attempt to enter or leave the country) 入主 rù zhǔ to invade and take control of (a territory) / to take the helm at (an organization) / (of a company) to take control of (another company) 目录 目錄 mù lù catalog / table of contents / directory (on computer hard drive) / list / contents syn 难以 難以 nán yǐ hard to (predict, imagine etc) syn 硬盘 硬盤 yìng pán hard disk 分配 fēn pèi to distribute / to assign / to allocate / to partition (a hard drive) syn 难得 難得 nán dé seldom / rare / hard to come by syn 想不到 xiǎng bu dào unexpected / hard to imagine / it had not occurred to me / who could have thought that syn 沉重 chén zhòng heavy / hard / serious / critical syn 艰难 艱難 jiān nán difficult / hard / challenging syn 难免 難免 nán miǎn hard to avoid / difficult to escape from / will inevitably syn 艰苦 艱苦 jiān kǔ difficult / hard / arduous syn 力争 力爭 lì zhēng to work hard for / to do all one can / to contend strongly syn 苦苦 kǔ kǔ strenuously / persistently / hard / painful 顽强 頑強 wán qiáng tenacious / hard to defeat syn 坚固 堅固 jiān gù firm / firmly / hard / stable syn 机车 機車 jī chē locomotive / train engine car / (Tw) scooter / (Tw) (slang) hard to get along with / to be a pain in the ass / (Tw) damn! / crap! syn 坚硬 堅硬 jiān yìng hard / solid syn 疑难 疑難 yí nán hard to understand / difficult to deal with / knotty / complicated syn 强硬 強硬 qiáng yìng tough / unyielding / hard-line syn 力学 力學 lì xué mechanics / to study hard 迷离 迷離 mí lí blurred / hard to make out distinctly syn 难堪 難堪 nán kān hard to take / embarrassed syn 难以置信 難以置信 nán yǐ zhì xìn (idiom) hard to believe / incredible syn 硬座 yìng zuò hard seat (on trains or boats) 硬卧 硬臥 yìng wò hard sleeper (a type of sleeper train ticket class with a harder bunk) 不可多得 bù kě duō dé hard to come by / rare syn 用功 yòng gōng diligent / industrious (in one's studies) / to study hard / to make great effort syn 奋战 奮戰 fèn zhàn to fight bravely / (fig.) to struggle / to work hard syn 力图 力圖 lì tú to try hard to / to strive to syn 卖力 賣力 mài lì to work hard / to do one's very best / to throw oneself into the task at hand syn 无间 無間 wú jiàn very close / no gap between them / continuously / unbroken / hard to separate / indistinguishable syn 难保 難保 nán bǎo hard to say / can't guarantee / difficult to protect / difficult to preserve syn 金石 jīn shí metal and stone / fig. hard objects / inscription on metal or bronze 打拼 dǎ pīn to work hard / to try to make a living 手软 手軟 shǒu ruǎn to be lenient / to relent / to be reluctant to make a hard decision / to think twice syn 症结 癥結 zhēng jié hard lump in the abdomen (in Chinese medicine) / crux of an issue / main point in an argument / sticking point / deadlock in negotiations syn 苦战 苦戰 kǔ zhàn bitter struggle / hard battle / arduous effort syn 