bì 必 certainly

xīn

heart

bì-xū
必须

adv.

must

bì-rán
必然

adj. /n.

inevitable /necessity

bì-yào
必要

adj.

essential

bì-xiū
必修

v.

must learn according to a curriculum; compulsory

bì-dìng
必定

adv.

surely

bì-xū
必需

v. /adj.

to need; to require /essential; indispensable

bì-bèi
必备

v.

must have

bì-jiāng
必将

adv.

used to express certainty about what is going to happen in the future

bì-děi
必得

adv.

must; have to

bì-gōng-bì-jìng
必恭必敬
very deferential