HSK 4
共
gòng副
common; general; to share; together
这次活动共有三十人参加。
Zhè cì huó dòng gòng yǒu sān shí rén shēn jiā.
Thirty people are taking part in this activity.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 4.