HSK 1 · adverb
不
not (negation)
我不是学生，我是老师。
Wǒ bú shì xuéshēng, wǒ shì lǎoshī.
I am not a student, I am a teacher.
他生病了，不能来上课。
Tā shēngbìng le, bù néng lái shàngkè.
He is ill and cannot come to class.
不客气，你多吃一点儿。
Bú kèqi, nǐ duō chī yìdiǎnr.
You're welcome, please eat a little more.
上课的时候不要打电话。
Shàngkè de shíhou búyào dǎ diànhuà.
Do not make phone calls during class.