心 xīn heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4] syn 努力 nǔ lì to make an effort / to try hard / to strive / hard-working / conscientious syn 中心 zhōng xīn center / heart / core syn 辛苦 xīn kǔ exhausting / hard / tough / arduous / to work hard / to go to a lot of trouble / hardship(s) syn 核心 hé xīn core / nucleus syn 重心 zhòng xīn center of gravity / central core / main part syn 地心 dì xīn the earth's core / geocentric syn 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 黑心 hēi xīn ruthless and lacking in conscience / vicious mind full of hatred and jealousy / black core (flaw in pottery) syn 地核 dì hé core of the earth (geology) syn 苦练 苦練 kǔ liàn to train hard / to practice diligently / hard work / blood, sweat, and tears 内核 內核 nèi hé core (of a fruit) / (fig.) the essence (of a concept or doctrine etc) / (geology) inner core / (computing) kernel syn 中坚 中堅 zhōng jiān core / nucleus / backbone syn 主干 主幹 zhǔ gàn trunk / main / core syn 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 移动硬盘 移動硬盤 yí dòng yìng pán portable hard drive / external hard drive 硬碟 yìng dié (Tw) hard disk / hard drive 难解 難解 nán jiě hard to solve / hard to dispel / hard to understand / hard to undo 基础课 基礎課 jī chǔ kè basic course / core curriculum 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 双核 雙核 shuāng hé dual core (computing) 整 zhěng (bound form) whole / complete / entire / (before a measure word) whole / (before or after number + measure word) exactly / (bound form) in good order / tidy / neat / (bound form) to put in order / to straighten / (bound form) to repair / to mend / to renovate / (coll.) to fix sb / to give sb a hard time / to mess with sb / (dialect) to tinker with / to do sth to syn 难以置信 難以置信 nán yǐ zhì xìn (idiom) hard to believe / incredible syn 难以 難以 nán yǐ hard to (predict, imagine etc) syn 艰难 艱難 jiān nán difficult / hard / challenging syn 难堪 難堪 nán kān hard to take / embarrassed syn 想不到 xiǎng bu dào unexpected / hard to imagine / it had not occurred to me / who could have thought that syn 分配 fēn pèi to distribute / to assign / to allocate / to partition (a hard drive) syn 强硬 強硬 qiáng yìng tough / unyielding / hard-line syn 硬盘 硬盤 yìng pán hard disk 沉重 chén zhòng heavy / hard / serious / critical syn 难得 難得 nán dé seldom / rare / hard to come by syn 艰苦 艱苦 jiān kǔ difficult / hard / arduous syn 目录 目錄 mù lù catalog / table of contents / directory (on computer hard drive) / list / contents 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 坚固 堅固 jiān gù firm / firmly / hard / stable syn 难免 難免 nán miǎn hard to avoid / difficult to escape from / will inevitably syn 苦苦 kǔ kǔ strenuously / persistently / hard / painful 受罪 shòu zuì to endure / to suffer / hardships / torments / a hard time / a nuisance syn 坚硬 堅硬 jiān yìng hard / solid syn 顽强 頑強 wán qiáng tenacious / hard to defeat 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 用功 yòng gōng diligent / industrious (in one's studies) / to study hard / to make great effort syn 难以启齿 難以啟齒 nán yǐ qǐ chǐ to be too embarrassed to mention sth (idiom) / to find it hard to speak about sth syn 手软 手軟 shǒu ruǎn to be lenient / to relent / to be reluctant to make a hard decision / to think twice syn 奋战 奮戰 fèn zhàn to fight bravely / (fig.) to struggle / to work hard syn 苦力 kǔ lì bitter work / hard toil / (loanword) coolie, unskilled Chinese laborer in colonial times syn 焦头烂额 焦頭爛額 jiāo tóu làn é lit. badly burned about the head (from trying to put out a fire) (idiom) / fig. hard-pressed / under pressure (from a heavy workload, creditors etc) syn 费解 費解 fèi jiě to be puzzled / hard to understand / unintelligible / incomprehensible syn 血汗 xuè hàn (fig.) sweat and toil / hard work syn 难保 難保 nán bǎo hard to say / can't guarantee / difficult to protect / difficult to preserve syn 刁难 刁難 diāo nàn to be hard on sb / to deliberately make things difficult / Taiwan pr. [diao1nan2] syn 迷离 迷離 mí lí blurred / hard to make out distinctly syn 左右为难 左右為難 zuǒ yòu wéi nán (idiom) between a rock and a hard place / in a dilemma syn 窘迫 jiǒng pò poverty-stricken / very poor / hard-pressed / in a predicament / embarrassed syn 争气 爭氣 zhēng qì to work hard for sth / to resolve on improvement / determined not to fall short syn 磁碟 cí dié (magnetic) computer disk (hard disk or floppy) 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 狂饮 狂飲 kuáng yǐn to drink hard syn 操劳 操勞 cāo láo to work hard / to look after syn 苦工 kǔ gōng hard labor (in penal code) / coolie syn 松软 鬆軟 sōng ruǎn flexible / not rigid / spongy / soft or runny (not set hard) / loose (soil) syn 安全帽 ān quán mào safety helmet / hard hat / CL:頂|顶[ding3] 紧逼 緊逼 jǐn bī to press hard / to close in on syn 力挽狂澜 力挽狂瀾 lì wǎn kuáng lán to pull strongly against a crazy tide (idiom) / fig. to try hard to save a desperate crisis syn 力争 力爭 lì zhēng to work hard for / to do all one can / to contend strongly syn 死守 sǐ shǒu to defend one's property to the death / to cling obstinately to old habits / die-hard syn 开足马力 開足馬力 kāi zú mǎ lì to accelerate at full power (idiom) / at full speed / fig. to work as hard as possible syn 拼死拼活 pīn sǐ pīn huó one's utmost / (to fight or work) desperately hard / to put up a life or death struggle / at all costs syn 力图 力圖 lì tú to try hard to / to strive to syn 血本 xuè běn hard-earned capital syn 苦战 苦戰 kǔ zhàn bitter struggle / hard battle / arduous effort syn 恶战 惡戰 è zhàn hard fighting / fierce battle syn 迎头赶上 迎頭趕上 yíng tóu gǎn shàng to try hard to catch up syn 不可多得 bù kě duō dé hard to come by / rare syn 好容易 hǎo róng yì (idiomatic usage) with great difficulty / to have a hard time (convincing sb, relinquishing sth etc) / (literal usage) so easy syn 闭塞 閉塞 bì sè to stop up / to close up / hard to get to / out of the way / inaccessible / unenlightened / blocking syn 拮据 jié jū hard pressed for money / in financial straits syn 骑虎难下 騎虎難下 qí hǔ nán xià if you ride a tiger, it's hard to get off (idiom) / fig. impossible to stop halfway syn 疑难 疑難 yí nán hard to understand / difficult to deal with / knotty / complicated syn 纸质 紙質 zhǐ zhì (attributive) paper / hard-copy / printed / paper quality 苦命 kǔ mìng hard lot / bitter fate / unfortunate syn 脱皮 脫皮 tuō pí (of paint etc) to peel off / to flake off / (of an insect or snake etc) to molt / (of skin) to peel off due to hard labor, blistering or sunburn etc / (fig.) to go through a grueling experience syn 劳苦 勞苦 láo kǔ to toil / hard work syn 硬壳 硬殼 yìng ké crust / hard shell syn 力学 力學 lì xué mechanics / to study hard 吃紧 吃緊 chī jǐn in short supply / dire / tense / critical / hard-pressed / important syn 苦干 苦幹 kǔ gàn to work hard 恶斗 惡鬥 è dòu hard fighting / fierce battle 稳扎稳打 穩扎穩打 wěn zhā wěn dǎ to go steady and strike hard (in fighting) / fig. steadily and surely syn 硬邦邦 yìng bāng bāng very hard syn 劳碌 勞碌 láo lù to work hard / to toil syn 高难 高難 gāo nán extremely difficult / hard and dangerous / challenging syn 拗口 ào kǒu hard to pronounce / awkward-sounding syn 任劳任怨 任勞任怨 rèn láo rèn yuàn to work hard without complaint (idiom) syn 着力 著力 zhuó lì to put effort into sth / to try really hard syn 硬性 yìng xìng rigid / inflexible / hard (drug) syn 苦功 kǔ gōng hard work / laborious effort / painstaking work 苦尽甘来 苦盡甘來 kǔ jìn gān lái bitterness finishes, sweetness begins (idiom) / the hard times are over, the good times just beginning syn 