比 bǐ to compare / (followed by a noun and adjective) more {adj.} than {noun} / ratio / to gesture / (Taiwan pr. [bi4] in some compounds derived from Classical Chinese) syn 机关 機關 jī guān mechanism / gear / machine-operated / office / agency / organ / organization / establishment / institution / body / stratagem / scheme / intrigue / plot / trick / CL:個|个[ge4] syn 对比 對比 duì bǐ to contrast / contrast / ratio / CL:個|个[ge4] syn 手动 手動 shǒu dòng manual / manually operated / manual gear-change 用具 yòng jù appliance / utensil / gear / equipment syn 齿轮 齒輪 chǐ lún (machine) gear / pinion (gear wheel) syn 比率 bǐ lǜ ratio / rate / proportion syn 系数 係數 xì shù coefficient / factor / modulus / ratio 渔具 漁具 yú jù fishing gear syn 变速器 變速器 biàn sù qì gearbox / speed changer / gear 圆周率 圓周率 yuán zhōu lǜ (math.) the ratio of the circumference of a circle to its diameter (π) 黄金分割 黃金分割 huáng jīn fēn gē golden ratio / golden section 排挡 排擋 pái dǎng gear (of car etc) syn 变速 變速 biàn sù to change speed / to shift gear / variable-speed 换挡 換擋 huàn dǎng to change gear 咬合 yǎo hé (of uneven surfaces) to fit together / (of gear wheels) to mesh / (dentistry) occlusion / bite syn 比值 bǐ zhí ratio syn 正比 zhèng bǐ direct ratio / directly proportional syn 反比 fǎn bǐ inversely proportional / inverse ratio syn 性价比 性價比 xìng jià bǐ cost-performance ratio 市盈率 shì yíng lǜ PE ratio 比价 比價 bǐ jià to compare prices / to compare offers / price ratio / price parity / rate of exchange 压缩比 壓縮比 yā suō bǐ compression ratio 自动挡 自動擋 zì dòng dǎng automatic transmission / auto gear shift 自动档 自動檔 zì dòng dàng automatic transmission (gear change) 换档 換檔 huàn dàng to change gear 手动挡 手動擋 shǒu dòng dǎng manual gear change / shift stick 排档 排檔 pái dǎng gear (of car etc) 性别比 性別比 xìng bié bǐ sex ratio 差速器 chā sù qì differential (gear) 派 pài (literary) tributary / branch of a river / clique / school / group / faction / (bound form) style / manner / to send (a person or resource) / to dispatch / to allocate (a resource or task) / to appoint (sb) / classifier for factions, groups etc / (preceded by 一[yi]) classifier used in characterizing a scene, atmosphere, demeanor, sound, remark etc / (loanword) pi (Greek letter Ππ) / the circular ratio 𝜋 = 3.14159... / (loanword) pie syn 空挡 空擋 kōng dǎng neutral gear 变速杆 變速桿 biàn sù gǎn gear lever / stick shift 三七开 三七開 sān qī kāi ratio seventy to thirty / thirty percent failure, seventy percent success 信噪比 xìn zào bǐ signal-to-noise ratio 高宽比 高寬比 gāo kuān bǐ aspect ratio 档 檔 dǎng (Tw) gear (variant of 擋|挡[dang3]) syn 挂挡 掛擋 guà dǎng to put into gear / to engage the gear / gear change 低速挡 低速擋 dī sù dǎng low gear / bottom gear 排挡速率 排擋速率 pái dǎng sù lǜ gear / gear speed 排档速率 排檔速率 pái dǎng sù lǜ gear / gear speed 高速挡 高速擋 gāo sù dǎng top gear / high gear 蜗杆副 蝸桿副 wō gǎn fù worm-gear pair / worm drive / worm and worm gear 跳挡 跳擋 tiào dǎng (of a car) to slip out of gear / to pop out of gear 剥采比 剝採比 bō cǎi bǐ stripping-to-ore ratio / stripping ratio 本益比 běn yì bǐ P⁄E ratio (price-to-earnings ratio) 粗入学率 gross school enrolment ratio / gross enrolment ratio 基本繁殖率 basic reproductive ratio / reproductive ratio 水陆比 水陸比 ratio of water to land / water to land ratio 漏排比率 clearance failure ratio / clearance-to-failure ratio / proof factor 验证因子 驗證因子 clearance failure ratio / clearance-to-failure ratio / proof factor 刨齿 刨齒 bào chǐ gear-shaping 旅行装备 旅行裝備 lǚ xíng zhuāng bèi travel equipment / travel gear 倒车挡 倒車擋 dào chē dǎng reverse gear 差动齿轮 差動齒輪 chā dòng chǐ lún differential gear 换挡杆 換擋桿 huàn dǎng gǎn gear lever 换档杆 換檔桿 huàn dàng gǎn gear lever 挡位 擋位 dǎng wèi (in a manual car) gear (i.e. reverse, neutral, 1st, 2nd etc) / (automatic car) transmission mode (P, R, N, D etc) / (electric fan, cooker etc) setting / mode 牙机巧制 牙機巧制 yá jī qiǎo zhì ingenious gear machine / elaborate contraption 自动挂挡 自動掛擋 zì dòng guà dǎng automatic gear change 行进挡 行進擋 xíng jìn dǎng forward gear 变速传动 變速傳動 biàn sù chuán dòng to change gear 起落装置 起落裝置 qǐ luò zhuāng zhì aircraft takeoff and landing gear 轮齿 輪齒 lún chǐ tooth of cog wheel / gear tooth 锥齿轮 錐齒輪 zhuī chǐ lún pinion gear 头挡 頭擋 tóu dǎng first gear 齿轮传动 齒輪傳動 chǐ lún chuán dòng gear drive 胸带 胸帶 xiōng dài web gear / chest webbing / webbing 全球两性平等结构改革运动 全球兩性平等結构改革運動 quán qiú liǎng xìng píng děng jié gòu gǎi gé yùn dòng Global campaign for Gender Equality Architecture Reform / GEAR Campaign 排雷防护装束 排雷防護裝束 protective gear for mine clearing 防暴装备 防暴裝備 riot gear 镇暴装备 鎮暴裝備 riot gear 加足马力 加足馬力 jiā zú mǎ lì to go at full throttle / (fig.) to go all out / to kick into high gear 调挡 調擋 tiáo dǎng gear shift N档 N檔 N dàng neutral (gear) P档 P檔 P dàng park (gear) / program mode (on a digital camera) 单速车 單速車 dān sù chē single-speed bicycle / fixed-gear bicycle 警械 jǐng xiè police gear N挡 N擋 N dǎng neutral (gear) P挡 P擋 P dǎng park (gear) / program mode (on a digital camera) 放空挡 放空擋 fàng kōng dǎng to coast along in neutral gear (in a car) / (coll.) to go commando 上紧发条 上緊發條 shàng jǐn fā tiáo to wind the spring up tight / (fig.) to gear up / to ready oneself 差生文具多 chà shēng wén jù duō (neologism c. 2021) underachieving students tend to buy lots of stationery / (fig.) all the gear and no idea 死飞 死飛 sǐ fēi fixie / fixed-gear bicycle 滚刀 滾刀 gǔn dāo (engineering) gear hob (cutting tool used in manufacturing gears) 比威力 bǐ wēi lì yield-to-weight ratio (of a nuclear weapon) 采收率 採收率 cǎi shōu lǜ recovery ratio 存款准备金率 存款準備金率 cún kuǎn zhǔn bèi jīn lǜ deposit-reserve ratio 股本金比率 gǔ běn jīn bǐ lǜ equity ratio 证券化率 證券化率 zhèng quàn huà lǜ securitization ratio 比值比 bǐ zhí bǐ odds ratio 复比 複比 fù bǐ compound ratio (i.e. the product of two or more ratios) 轴率 軸率 zhóu lǜ axial ratio 连比 連比 lián bǐ compound ratio 雷诺数 雷諾數 léi nuò shù Reynolds number (ratio of inertial forces to viscous forces in fluid mechanics) 展弦比 zhǎn xián bǐ (wing) aspect ratio (aerodynamics) 长宽比 長寬比 cháng kuān bǐ aspect ratio 可能供养比率 potential support ratio 较稀空燃比 leaner air-fuel ratio 