必

必
bì = bi + Ø4
certainly / must / will / necessarily
必 = 丿 + 心 : Mnemonic symbol: 忽必烈 [Hū​bì​liè​], Kublai Khan. Certainly (必) Kublai Khan (必) has to keep face, but he cannot hold it any longer. In the space station's bathroom (Ø4), He absolutely has to (必) tell Brunhilde (bi) his love for her strong character and offers her his heart (心). Brunhilde is a bit embarrassed because all she has to offer in return is a banana (丿). Kublai Khan feels like his heart has been crossed out (the 丿 stroke is crossing out 心 in 必).

必 character breakdown

丿
piě = pi + e3
radical in Chinese characters (Kangxi radical 4) / see 撇[pie3]
Pocahontas (pi-) is eating a banana (丿) in the elevator's living room (-e3).
心
xi̅n = xi + (e)n1
heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]
心 = 乚 + 丶 : Marie Curie (xi) uses a shovel (乚) to dig a hole in front of the encampment ((e)n1). She wants to bury her heart (心). To the side are three petal leaves (丶), with which she wants to cover it afterwards.

Characters with 必 as component

秘
bì = bi + Ø4
see 秘魯|秘鲁[Bi4 lu3]
秘
祕
mì = mi + Ø4
variant of 秘[mi4]
秘
mì = mi + Ø4
secret / secretary
秘 = 必 + 禾 : Khubilai Khan (必) enslaved Marilyn Monroe (mi) and now she has to serve as his secretary (秘). She has to bring him his cereals (禾) every morning into the space station's bathroom (Ø4), because Khubilai cannot do his poo-poo before he had his cereals.
泌
mì = mi + Ø4
to secrete / to excrete / also pr. [bi4]
泌 = 必 + 氵 : Khubilai Khan (必) is excreting (泌) so much sweat that Marilyn Monroe (mi) has to collect it in water bottles (氵) in the space station's bathroom (Ø4).
宓
mì = mi + Ø4
still / silent
宓 = 宀 + 必 : Marilyn Monroe (mi) and Khubilai Khan (必) finally got their degrees. With their graduation caps (宀) on they share a very silent (宓) and intimate moment hugging each other in the space station's bathroom (Ø4).
密
mì = mi + Ø4
secret / confidential / close / thick / dense
密 = 宀 + 必 + 山 : Marilyn Monroe (mi) is secretly (密) making out with her secretary (密) Khubilai Khan (必). Because it has to be a secret (密), they meet in the space station's bathroom (Ø4) and hide under a huge graduation cap (宀). Just to be sure Khubilai Khan has two forks (山) in his hands to attack anyone who might enter and see them.
瑟
sè = s + e4
a type of standing harp, smaller than konghou 箜篌, with 5-25 strings
瑟 = 必 + 玨 : Socrates (s) is playing a small standing harp (瑟) to charm Khubilai Khan (必) in the elevator's bathroom (e4). He even put on a jewel necklace (玨) to be more charming.
铋
鉍
bì = bi + Ø4
bismuth (chemistry)
苾
bì = bi + Ø4
(phonetic) / fragrant
毖
bì = bi + Ø4
careful / to prevent

Words with 必

不
必
need not / does not have to / not necessarily
何
必
there is no need / why should
事
事
必
必
躬
躬
亲
親
to attend to everything personally
人
人
无
無
远
遠
虑
慮
，
，
,
必
必
有
有
近
近
忧
憂
He who gives no thought to far-flung problems soon finds suffering nearby (idiom, from Analects). / Smug concentration on the here and now will lead to future sorrow.
两
兩
虎
虎
相
相
争
爭
，
，
,
必
必
有
有
一
一
伤
傷
if two tigers fight, one will get injured (idiom) / if you start a war, someone is bound to get hurt
两
兩
虎
虎
相
相
斗
鬥
，
，
,
必
必
有
有
一
一
伤
傷
when two tigers fight, one will get injured (idiom) / if it comes to a fight, someone will get hurt.
分
久
必
合
，
,
合
久
必
分
lit. that which is long divided must unify, and that which is long unified must divide (idiom, from 三國演義|三国演义[San1 guo2 Yan3 yi4]) / fig. things are constantly changing
三
三
人
人
行
行
，
，
,
则
則
必
必
有
有
我
我
师
師
If three walk together, one of them can teach me sth (Confucius)
三
三
人
人
行
行
，
，
,
必
必
有
有
我
我
师
師
lit. if three walk together, one can be my teacher (idiom, from the Analects of Confucius) / you have sth to learn from everyone
二
二
虎
虎
相
相
斗
鬥
，
，
,
必
必
有
有
一
一
伤
傷
lit. when two tigers fight, one is sure to be wounded (idiom) / fig. if it comes to a fight, someone will get hurt

Sentences with 必

必 currently does not appear in any sentence.