HSK 6
补课
bǔkè动
to make up missed lesson; to reschedule a class
我生病请假后需要补课。
Wǒ shēng bìng qǐng jià hòu xū yào bǔ kè.
I need to make up the lessons I missed while I was sick.
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New in the HSK 3.0 word list at level 6.