Usage of the character 双

a form of theatrical double act in which one performer speaks or sings while the other, in front, pretends to be doing the speaking or singing
double reed (as in an oboe or bassoon)

Shuāngyáng

双阳

[雙陽]

Shuangyang district of Changchun city 長春市／长春市, Jilin

shuāngqīn

双亲

[雙親]

parents

shuāngbǎi

双摆

[雙擺]

double pendulum (math.)

shuānghé

双核

[雙核]

dual core (computing)

shuāngshǒu

双手

[雙手]

both hands

shuāngliàn

双链

[雙鏈]

double stranded

shuāngguǎi

双拐

[雙拐]

crutches

shuāngyǎn

双眼

[雙眼]

the two eyes

Shuāngběi

双北

[雙北]

abbr. for Taipei City 臺北市／台北市 ( Táiběi Shì) and New Taipei City 新北市 ( Xīnběi Shì) (Tw)

shuānghào

双号

[雙號]

even number (on a ticket, house etc)

shuāngxiàng

双向

[雙向]

bidirectional
two-way
interactive

Shuāngxī

双溪

[雙溪]

Shuangxi or Shuanghsi township in New Taipei City 新北市 ( Xīnběishì), Taiwan

wúshuāng

无双

[無雙]

incomparable
matchless
unique

shuāngguǐ

双轨

[雙軌]

double-track; parallel tracks; dual-track (system)

shuāngtáng

双糖

[雙糖]

disaccharide

shuāngbiāo

双标

[雙標]

double standard (abbr. for 雙重標準／双重标准 (shuāngchóngbiāozhǔn))

shuāngguǎn

双管

[雙管]

double-barreled

shuāngchóng

双重

[雙重]

double

Shuānghú

双湖

[雙湖]

two lakes
Shuanghu special district, Tibetan: Mtsho gnyis don gcod khru'u, in Nagchu prefecture 那曲地區／那曲地区 ( Nàqǔdìqū), central Tibet

Shuāngqīng

双清

[雙清]

Shuangqing district of Shaoyang city 邵陽市／邵阳市 ( Shàoyángshì), Hunan

shuāngyíng

双赢

[雙贏]

profitable to both sides
a win-win situation

shuāngfēi

双飞

[雙飛]

flying in pairs
close union as husband and wife
round-trip flight
(slang) threesome

shuāngguī

双规

[雙規]

shuanggui, an extralegal system within the CCP for detaining and interrogating cadres who fall from grace

shuāngchéng

双程

[雙程]

return-trip
two-way
bidirectional
double-pass

Shuāngbǎi

双柏

[雙柏]

Shuangbai County in Chuxiong Yi Autonomous Prefecture 楚雄彞族自治州／楚雄彝族自治州 ( Chǔxióng Yízú Zìzhìzhōu), Yunnan

Shuāngyú

双鱼

[雙魚]

Pisces (star sign)

nüshuāng

女双

[女雙]

women's doubles (in tennis, badminton etc)

Shuāngliú

双流

[雙流]

Shuangliu county in Chengdu 成都 ( Chéngdū), Sichuan
Chengdu's main airport

shuāngjiǎo

双脚

[雙腳]

two legs
both feet

shuāngwù

双误

[雙誤]

double fault (in tennis)

shuāngzú

双足

[雙足]

both feet
two-legged

shuāngguān

双关

[雙關]

pun
play on words

shuāngjí

双极

[雙極]

bipolar

shuāngrén

双人

[雙人]

two-person
double
pair
tandem

shuāngmáng

双盲

[雙盲]

double-blind (scientific experiment)

shuāngkāi

双开

[雙開]

to strip sb of their Party membership and government job (開除黨籍，開除公職／开除党籍，开除公职)

shuāngfāng

双方

[雙方]

bilateral
both sides
both parties involved

shuānggàng

双杠

[雙槓]

parallel bars (gymnastics event)

shuāngjī

双击

[雙擊]

double-click

shuāngdǎ

双打

[雙打]

doubles (in sports)
CL:場／场 (chǎng)

shuāngdú

双独

[雙獨]

double and single
allowed dispensation to have second child

shuāngcéng

双层

[雙層]

double tier
double decker

shuāngshū

双输

[雙輸]

lose-lose (situation)
(of the two sides involved) to both be disadvantaged

shuāngmiàn

双面

[雙面]

double-sided
two-faced
double-edged
reversible

shuāngqū

双曲

[雙曲]

hyperbola
hyperbolic (function)

shuāngxī

双膝

[雙膝]

both knees

shuāngdàn

双旦

[雙旦]

Christmas and New Year's Day

shuāngbì

双臂

[雙臂]

arms
both arms
two arms

shuāngxǐ

双喜

[雙喜]

double happiness
the combined symmetric character 囍 (similar to 喜喜) as symbol of good luck, esp. marriage

Shuāngpái

双牌

[雙牌]

Shuangpai county in Yongzhou 永州 ( Yǒngzhōu), Hunan

Shuāngfēng

双峰

[雙峰]

Shuangfeng county in Loudi 婁底／娄底 ( Lóudǐ), Hunan
(Tw) Twin Peaks, US television drama series 1990-1991

shuāngtàn

双碳

[雙碳]

"double carbon", i.e. peak carbon 碳達峰／碳达峰 (tàndáfēng) and carbon neutrality 碳中和 (tànzhōnghé)
China's double carbon policy, announced in 2020, which aims to reach peak carbon use by 2030 and achieve carbon neutrality by 2060

shuāngmóu

双眸

[雙眸]

one's pair of eyes

shuāngyǔ

双语

[雙語]

bilingual

shuāngbèi

双倍

[雙倍]

twofold
double

Shuāngzǐ

双子

[雙子]

Gemini (star sign)

Shuāngjiǎn

双减

[雙減]

(PRC) Double Reduction Policy, announced in 2021, aiming to ease pressure on K-12 students by reducing homework and banning for-profit after-school academic classes

shuāngchōu

双抽

[雙抽]

black soy sauce

shuāngjiàn

双键

[雙鍵]

double bond (chemistry)

shuāngshè

双射

[雙射]

(math.) bijection

shuāngshù

双数

[雙數]

even number

shuāngrǔ

双乳

[雙乳]

breasts

nánshuāng

男双

[男雙]

men's doubles (in tennis, badminton etc)

shuāngfēng

双峰

[雙峰]

boobies

shuāngwěn

双稳

[雙穩]

bistable

shuāngpīn

双拼

[雙拼]

(computing) double pinyin (input method where the user types no more than two keystrokes per character, one for the initial and one for the final)

shuāngtào

双套

[雙套]

double set
diploid

Shuāngluán

双滦

[雙灤]

Shuangluan district of Chengde city 承德市 ( Chéngdéshì), Hebei

shuāngcè

双侧

[雙側]

two-sided
bilateral

shuāngshēng

双生

[雙生]

twin (attributive)
twins

Shuāngqiáo

双桥

[雙橋]

Shuangqia suburban district of Chongqing municipality, formerly in Sichuan

shuāngxīng

双星

[雙星]

double star

Shuāngliáo

双辽

[雙遼]

Shuangliao, county-level city in Siping 四平, Jilin

Shuāngtǎ

双塔

[雙塔]

Shuangta district of Chaoyang city 朝陽市／朝阳市, Liaoning

Shuāngchéng

双城

[雙城]

Suangcheng, county-level city in Harbin 哈爾濱／哈尔滨 ( Hā'ěrbīn), Heilongjiang

shuāngbiān

双边

[雙邊]

bilateral

shuāngjié

双节

[雙節]

combined Mid-Autumn Festival and National Day (occurring when the Mid-Autumn Festival 中秋節／中秋节 ( Zhōngqiūjié) falls on October 1st, as in 1982, 2001 and 2020)
binodal
two-section

shuāngfēn A

双酚A

[雙酚A]

bisphenol A (BPA)

Shuāngtáizi

双台子

[雙臺子]

Shuangtai district of Panjin city 盤錦市／盘锦市, Liaoning

shuāngrénwǔ

双人舞

[雙人舞]

dance for two
pas de deux

Shuāngluánqū

双滦区

[雙灤區]

Shuangluan district of Chengde city 承德市 ( Chéngdéshì), Hebei

Shuāng Yīliú

双一流

[雙一流]

Double First-Class University Plan, Chinese government project to develop both a group of Chinese universities and a group of subject disciplines to be world-class by 2050, implemented from 2017

shuāngchìmù

双翅目

[雙翅目]