别
Pinyin: bié
don't
Example sentence
别说话,开始考试了。
Bié shuōhuà, kāishǐ kǎoshì le.
Don't talk — the exam has started.
What 别 means
别 (bié) is a Chinese word meaning “don't”. It belongs to the Grammar Words topic and appears at HSK 2, so it is one of the words worth learning early when you study Chinese.