HSK 5
改进
gǎijìn动
to improve; to make better; improvement
我们要不断改进工作方法。
Wǒ men yào bú duàn gǎi jìn gōng zuò fāng fǎ.
We need to keep improving our work methods.
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New in the HSK 3.0 word list at level 5.