HSK 4
重
chóng副（动）
to repeat; repetition; again; re-
这道题做错了请重做一次。
Zhè dào tí zuò cuò le qǐng chóng zuò yí cì.
You got this question wrong; please do it again.
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Other HSK words sharing a character
Also free:
Appears across levels (4（5）) in the HSK 3.0 word list.