The Chinese character【必】that I will teach you this time is a word that describes tone or emphasis. It is mainly used for the following meanings:
Must or necessary.
You can refer to this for the pronunciation of the mentioned Chinese character.
Mandarin Pinyin of 【必】:bì
Cantonese Jyutping of 【必】:bit1
This introduces some basic knowledge regarding the Chinese character 【必】︰
Here are some situations where you can use【必】, for example:Describes tone or emphasis , It means mainly must or necessary .Chinese characters possess deep and diverse meanings, and some detailed aspects may not be entirely covered in this discussion.
【必】serves as a standalone word but gains depth when partnered with others to form detailed expressions, like【必然、必要】(Mandarin Pinyin:bì rán 、bì yào/ Cantonese Jyutping:bit1 jin4 、bit1 jiu3)
The total stroke number of this character is 5 ,It is a highly common and fundamental Chinese character that must be learned,This sentence highlights one way to use this character.:
我們必須努力完成這個任務。
We must work hard to accomplish this task.
I hope you appreciate the depth of the Chinese language and gain useful knowledge here. Explore the information at your own pace.

