How common it is
共同 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say gòngtóng slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
共同在日常生活中常用来表示两个人或多人一起做某事。
gòngtóng zài rì cháng shēn qíng zhōng cháng lái bǎo shí liǎng gè rén huò duō rén yīqǐ zuò mǒu shì.
共同 is often used in daily life to indicate that two or more people do something together.
Context note
共同常用于描述合作、共享或共同完成某项任务。
gòngtóng cháng yòng lái miáo shù hézuò, gòngxiǎng huò gòng tóng wánchéng mǒu xiàng rènwu.
common is often used to describe cooperation, sharing, or jointly completing a task.
5 examples
我们共同完成这个项目。
wǒ men gòng tóng wán chéng zhè ge xiàng mù。
We completed this project together.
共同学习可以提高效率。
gòng tóng xué xí kě yǐ tí gāo xiào lǜ。
Learning together can improve efficiency.
共同的目标让团队更团结。
gòng tóng de mù biāo ràng tuán duì gèng tuán jié。
A common goal makes the team more united.
我们共同享受这个假期。
wǒ men gòng tóng xiǎng shòu zhè ge jià qī。
We enjoy this holiday together.
共同的努力使梦想成真。
gòng tóng de nǔ lì shǐ mèng xiǎng chéng zhēn。
Shared efforts make dreams come true.
5 mini stories
妈妈和爸爸共同决定买一辆新车。他们一起商量，然后一起去挑选。
mā ma hé bà ba gòng tóng jué dìng mǎi yí liàng xīn chē。 tā men yì qǐ shāng liáng， rán hòu yì qǐ qù tiāo xuǎn。
Mom and Dad made a joint decision to buy a new car. They discussed it together and then went to choose one.
我们班的同学共同完成了这个科学项目。每个人都贡献了自己的力量。
wǒ men bān de tóng xué gòng tóng wán chéng le zhè ge kē xué xiàng mù。 měi gè rén dōu gòng xiàn le zì jǐ de lì liàng。
Our classmates completed this science project together. Everyone contributed their own strength.
爷爷和奶奶一起做饭，共同享受烹饪的乐趣。
yé ye hé nǎi nai yì qǐ zuò fàn， gòng tóng xiǎng shòu pēng rèn de lè qù。
Grandpa and Grandma cook together, enjoying the fun of cooking together.
我们全家一起去公园野餐，共同度过美好的一天。
wǒ men quán jiā yì qǐ qù gōng yuán yě cān， gòng tóng dù guò měi hǎo de yì tiān。
We went on a picnic in the park as a family, spending a wonderful day together.
同学们共同制定了班级规则，确保每个人都能遵守。
tóng xué men gòng tóng zhì dìng le bān jí guī zé， què bǎo měi gè rén dōu néng zūn shǒu。
The classmates jointly established class rules to ensure everyone follows them.