HSK 4
线下
xiànxià名
offline; below the line
我们下周参加线下活动。
Wǒ men xià zhōu cān jiā xiàn xià huó dòng.
We will take part in an in-person activity next week.
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Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 4.