必须
Pinyin: bì xū
must
Example sentence
你必须带护照。
Nǐ bìxū dài hùzhào.
You must bring your passport.
What 必须 means
必须 (bì xū) is a Chinese word meaning “must”. It belongs to the Grammar Words topic and appears at HSK 3, so it is one of the words worth learning early when you study Chinese.