Meaning of bì:
bì
必
Adverb
certainly; must; necessarily
Tā yīdìng huì bìxū wánchéng zhège rènwu.
他一定会必须完成这个任务。
He certainly must complete this task.
Nǐ míngtiān bìxū cānjiā huìyì.
你明天必须参加会议。
You must attend the meeting tomorrow.
Wǒmen bù bì mǎshàng zuò juédìng.
我们不必马上做决定。
We do not necessarily have to make a decision right away.
Verb
will
Tā jīntiān bù bì lái gōngsī.
他今天不必来公司。
He will not need to come to the office today.