共

HSK 4

gòng

altogether; together

general; to share; together; total; altogether; abbr. for 共產黨|共产党[Gong4 chan3 dang3], Communist party

他们共同工作。

tā men gòng tóng gōng zuò

They work together

这是一个普遍现象。

zhè shì yīgè píngshēn xiàngqíng

It's a common phenomenon