Meaning of bì xū:
bì xū
必须
Verb
to have to; must
Nǐ míngtiān bìxū lái.
你明天 必须 来。
You must come tomorrow.
Nǐ bìxū wánchéng nǐ de zuòyè.
你name完成你的作业。
You must finish your homework.
Adjective
compulsory
Wèi le jiànkāng, nǐ bìxū duō hē shuǐ.
为了健康，你必须多喝水。
For your health, you must drink more water.
Adverb
necessarily
Shàng kè qián, wǒ bìxū zuò hǎo zhǔnbèi.
上课前，我必须做好准备。
Before class, I necessarily have to be well-prepared.
