| 双 | shuāng | two; double; pair; both; surname Shuang |
| 双方 | shuāng fāng | bilateral; both sides; both parties involved |
| 双手 | shuāng shǒu | pair of hands |
| 双重 | shuāng chóng | double |
| 双层 | shuāng céng | double tier; double decker |
| 双边 | shuāng biān | bilateral |
| 双曲线 | shuāng qū xiàn | hyperbola |
| 双打 | shuāng dǎ | doubles (in sports); CL:场 |
| 双面 | shuāng miàn | double-sided; two-faced; double-edged; reversible |
| 双喜 | shuāng xǐ | double happiness; the combined symmetric character 囍 (similar to 喜喜) as symbol of good luck, esp. marriage |
| 双氧水 | shuāng yǎng shuǐ | hydrogen peroxide (H2O2) solution |
| 双键 | shuāng jiàn | double bond (chemistry) |
| 双流 | Shuāng liú | Shuangliu county in Chengdu 成都, Sichuan; Chengdu's main airport |
| 双亲 | shuāng qīn | parents |
| 双数 | shuāng shù | even number |
| 双生 | shuāng shēng | twin (adjective); twins |
| 双关 | shuāng guān | pun; play on words |
| 双管 | shuāng guǎn | double-barreled |
| 双乳 | shuāng rǔ | breasts |
| 双人 | shuāng rén | two-person; double; pair; tandem |
| 双人包夹 | shuāng rén bāo jiā | double team (sports) |
| 双人床 | shuāng rén chuáng | double bed |
| 双人房 | shuāng rén fáng | double room |
| 双人滑 | shuāng rén huá | pair skating |
| 双人间 | shuāng rén jiān | double room (hotel) |
| 双休日 | shuāng xiū rì | week with two rest days |
| 双倍 | shuāng bèi | twofold; double |
| 双倍体 | shuāng bèi tǐ | diploid (doubled chromosomes) |
| 双侧 | shuāng cè | two-sided; bilateral |
| 双元音 | shuāng yuán yīn | diphthong |
| 双光气 | shuāng guāng qì | diphosgene |
| 双凸面 | shuāng tū miàn | convex on both sides (of lens); biconvex |
| 双刃 | shuāng rèn | double-edged blade |
| 双十节 | shuāng shí jié | Double Tenth, the anniversary of the Wuchang uprising 武昌起义 of 10th October 1911; Taiwanese national holiday with a patriotic and militarist flavor |
| 双名法 | shuāng míng fǎ | binomial nomenclature (taxonomy) |
| 双后前兵开局 | shuāng hòu qián bīng kāi jú | Double Queen Pawn Opening; Closed Game (chess); same as 封闭性开局 |
| 双向 | shuāng xiàng | bidirectional; two-way; interactive |
| 双唇音 | shuāng chún yīn | bilabial consonant (b, p, or m) |
| 双唑泰栓 | shuāng zuò tài shuān | metronidazole, clotrimazole and chlorhexidine acetate (as suppository) |
| 双喜临门 | shuāng xǐ lín mén | two simultaneous happy events in the family |
| 双城 | Shuāng chéng | Suangcheng county level city in Harbin 哈尔滨, Heilongjiang |
| 双城子 | Shuāng chéng zi | Shuangchengzi, former name of Ussuriisk city in Russian Pacific Primorsky region |
| 双城市 | Shuāng chéng shì | Suangcheng county level city in Harbin 哈尔滨, Heilongjiang |
| 双塔 | Shuāng tǎ | Shuangta district of Chaoyang city 朝阳市, Liaoning |
| 双塔区 | Shuāng tǎ qū | Shuangta district of Chaoyang city 朝阳市, Liaoning |
| 双套 | shuāng tào | double set; diploid |
| 双子 | Shuāng zǐ | Gemini (star sign) |
| 双子座 | Shuāng zǐ zuò | Gemini (constellation and sign of the zodiac) |
| 双子叶 | shuāng zǐ yè | dicotyledon (plant family distinguished by two embryonic leaves, includes daisies, broadleaved trees, herbaceous plants) |
| 双学位 | shuāng xué wèi | dual degree (academic) |
