Usage of the character 便

plain
informal
suitable
convenient
opportune
to urinate or defecate
equivalent to 就 (jiù): then
in that case
even if
soon afterwards

pián

便

[便]

used in 便宜／便宜 (piányi)
used in 便便 (piánpián)
used in 便嬛 (piánxuán)

piányi

便宜

[便宜]

cheap; inexpensive
a petty advantage
to let sb off lightly

qǐngbiàn

请便

[請便]

Please do as you wish!
You are welcome to do whatever you like!
Please make yourself at home.

biànyī

便衣

[便衣]

civilian clothes; plain clothes
plainclothesman

biànchí

便池

[便池]

urinal

biàntiáo

便条

[便條]

(informal) note
CL:張／张 (zhāng),個／个 (gè)

tōngbiàn

通便

[通便]

to evacuate the bowels

wèibiàn

未便

[未便]

not in a position to

chènbiàn

趁便

[趁便]

to take the opportunity
in passing

biànchē

便车

[便車]

to hitchhike

biànjiān

便笺

[便箋]

a note; a memo
notepaper; memo pad

yǐbiàn

以便

[以便]

so that
so as to
in order to

biànmín

便民

[便民]

user-friendly; convenient (for customers, citizens etc)

to poo poo (kiddie or feminine term)
also pr. (biǎnbiǎn)

dābiàn

搭便

[搭便]

at one's convenience
in passing

biànxié

便携

[便攜]

portable
easy to carry

piánxuān

便嬛

[便嬛]

(old) graceful

jiǎnbiàn

简便

[簡便]

simple and convenient
handy

shùnbiàn

顺便

[順便]

conveniently
in passing
without much extra effort

gàobiàn

告便

[告便]

to ask to be excused
to ask leave to go to the toilet

biànhú

便壶

[便壺]

bed urinal
chamber pot

biànyí

便宜

[便宜]

convenient

tángbiàn

溏便

[溏便]

(TCM) unformed stool
semiliquid stool

biànxiě

便血

[便血]

having blood in one's stool

biànjí

便急

[便急]

to need the toilet
urinary or defecatory urgency

páibiàn

排便

[排便]

to defecate

biànyàn

便宴

[便宴]

informal dinner

biànhán

便函

[便函]

an informal letter sent by an organization

dàbiàn

大便

[大便]

to defecate
excrement; feces

tóngbiàn

童便

[童便]

urine of boys under 12, used as medicine (TCM)

fènbiàn

粪便

[糞便]

excrement
feces
night soil

suíbiàn

随便

[隨便]

as one wishes
as one pleases
at random
negligent
casual
wanton

tāibiàn

胎便

[胎便]

meconium

piánpián

便便

[便便]

obese
bulging

chéngbiàn

乘便

[乘便]

at your convenience

biàndào

便道

[便道]

pavement
sidewalk
shortcut
makeshift road

biànqì

便器

[便器]

toilet
urinal

biànzhuó

便酌

[便酌]

informal dinner

biànrén

便人

[便人]

sb who happens to be on hand for an errand

biànlì

便利

[便利]

convenient
easy
to facilitate

biànjié

便捷

[便捷]

convenient and fast

biànyú

便于

[便於]

easy to; convenient for

biànqiān

便签

[便簽]

note
memo
CL:張／张 (zhāng),個／个 (gè)

biànfàn

便饭

[便飯]

an ordinary meal
simple home cooking

biànlǎn

便览

[便覽]

brief guide

biànnàn

便难

[便難]

retort with challenging questions
debate

zìbiàn

自便

[自便]

to do as one pleases; to not inconvenience oneself

biànniào

便溺

[便溺]

to urinate or defecate
urine and feces

biànzhuāng

便装

[便裝]

casual dress

èrbiàn

二便

[二便]

urination and defecation

biànxié

便鞋

[便鞋]

cloth shoes
slippers

bùbiàn

不便

[不便]

inconvenient
inappropriate
unsuitable
short of cash

biànshì

便士

[便士]

(loanword) pence
penny

biànpén

便盆

[便盆]

bed pan

qīngbiàn

轻便

[輕便]

lightweight and portable
light and convenient

biànshì

便是

[便是]

(emphasizes that sth is precisely or exactly as stated)
precisely
exactly
even
if
just like
in the same way as

biànbì

便闭

[便閉]

see 便秘 (biànmì)

biànfú

便服

[便服]

everyday clothes; informal dress; civilian clothes

huóbiàn

活便

[活便]

nimble
agile
convenient

xiǎobiàn

小便

[小便]

urine
to urinate
(euphemism) penis or vulva

shěngbiàn

省便

[省便]

convenient

língbiàn

灵便

[靈便]

quick
agile
nimble
easy to handle
handy

jiùbiàn

就便

[就便]

at one's convenience; while one is at it

biànyì

便意

[便意]

an urge to defecate

rènbiàn

任便

[任便]

as you see fit
to do as one likes

biànzhōng

便中

[便中]

at one's convenience
when it's convenient

biàntǒng

便桶

[便桶]

chamber pot

biànmén

便门

[便門]

side door
wicket door

fāngbiàn

方便

[方便]

convenient; suitable
to facilitate; to make things easy
having money to spare
(euphemism) to relieve oneself

biànsuǒ

便所

[便所]

(dialect) toilet
privy

wěnbiàn

稳便

[穩便]

reliable
at one's convenience
as you wish

biàndāng

便当

[便當]

convenient
handy
easy
bento (a meal in a partitioned box)
lunchbox

jíbiàn

即便

[即便]

even if
even though
right away
immediately

biànqiáo

便桥

[便橋]

temporary bridge

biànmì

便秘

[便秘]

constipation
Taiwan pr. (biànbi)

débiàn

得便

[得便]

at one's convenience
when one has time

biànjiéhuà

便捷化

[便捷化]

to facilitate
to streamline
to make convenient and fast

bùbiànxiǎn

不便险

[不便險]

travel insurance covering flight delay, baggage loss etc (abbr. for 旅遊不便險／旅游不便险 (lüyóubùbiànxiǎn))

biàntiáozhǐ

便条纸

[便條紙]

scrap paper

xiǎobiàndǒu

小便斗

[小便斗]

urinal

xiǎobiànchí

小便池

[小便池]

urinal

biànbùzǒu

便步走

[便步走]

march at ease
route step

biànlìtiē

便利贴

[便利貼]

sticky note

biànlìxìng

便利性

[便利性]

convenience

zhànpiányi

占便宜

[佔便宜]

advantageous
favorable
to benefit at others' expense
to take unfair advantage

fāngbiàntiē

方便贴

[方便貼]

Post-it note
sticky note

lǐngbiàndāng

领便当

[領便當]

see 領盒飯／领盒饭 (lǐnghéfàn)

yùbiàndāng

御便当

[御便當]

(Tw) bento
lunch box

lādàbiàn

拉大便

[拉大便]

to poop
to defecate

tǎopiányi

讨便宜

[討便宜]

to look for a bargain
to seek advantage
to try to gain at expense of others

xiǎobiànqì

小便器

[小便器]

urinal

tǔbiàndāng

吐便当

[吐便當]

(slang) (of a character) to reappear in a story line after having been supposedly killed off
cf. 領盒飯／领盒饭 (lǐnghéfàn)

piányihuò

便宜货

[便宜貨]

a bargain
cheap goods

bùfāngbiàn

不方便

[不方便]

inconvenience
inconvenient

dābiànchē

搭便车

[搭便車]

to hitch a ride

dūnbiànqì

蹲便器

[蹲便器]

squat toilet

xiǎopiányi

小便宜

[小便宜]

petty advantage; small gains

biànlìdiàn

便利店

[便利店]

convenience store

zuòbiànqì

坐便器

[坐便器]

pedestal type WC

fāngbiànmiàn

方便面

[方便麵]

instant noodles

dàxiǎobiàn

大小便

[大小便]

using the toilet
urination and defecation

biànxiéshì

便携式

[便攜式]

portable

zhuǎnyǎnbiànwàng

转眼便忘

[轉眼便忘]

what the eye doesn't see the heart doesn't miss (idiom)

tīngqízìbiàn

听其自便

[聽其自便]

to allow sb to do sth at his convenience

féngrénbiànjiǎng

逢人便讲

[逢人便講]

to tell anybody one happens to meet

jiāchángbiànfàn

家常便饭

[家常便飯]

simple home-style meal
common occurrence
nothing out of the ordinary

xíngdòngbùbiàn

行动不便

[行動不便]

unable to move freely
difficult to get about

rùnchángtōngbiàn

润肠通便

[潤腸通便]

to cure constipation with laxatives

fùsìpiánpián

腹笥便便

[腹笥便便]

a learned person (idiom)

biànyījǐngchá

便衣警察

[便衣警察]

plain-clothed policeman

biànlìshāngdiàn

便利商店

[便利商店]

convenience store (Tw)

dàbiànmìjié

大便秘结

[大便祕結]

constipation

xītīngzūnbiàn

悉听尊便

[悉聽尊便]

(idiom) do as you see fit
do whatever you like
(I, we) leave it in your hands

dàfùpiánpián

大腹便便

[大腹便便]

big-bellied (idiom)
paunchy

biànyíxíngshì

便宜行事

[便宜行事]

act at one's discretion
act as one sees fit

biànmínlìmín

便民利民

[便民利民]

for the convenience and benefit of the people (idiom)

dàbiàngānzào

大便干燥

[大便乾燥]

constipated

yīnlìchéngbiàn

因利乘便

[因利乘便]

(idiom) to rely on the most favorable method

yǒunǎibiànshìniáng

有奶便是娘

[有奶便是娘]

lit. whoever provides milk is your mother (idiom)
fig. to follow whoever is feeding you
to put one's loyalties where one's interests lie

dépiányimàiguāi

得便宜卖乖

[得便宜賣乖]

to have benefited from sth but pretend otherwise
to claim to be hard done by, even though one has benefited

biànchēlüxíngzhě

便车旅行者

[便車旅行者]

hitch-hiker

bǎfāngbiàndàngsuíbiàn

把方便当随便

[把方便當隨便]

to act unappreciatively in response to a kindness

bùchénggōngbiànchéngrén

不成功便成仁

[不成功便成仁]

to succeed or die trying (idiom)

nüzǐwúcáibiànshìdé

女子无才便是德

[女子無才便是德]

a woman's virtue is to have no talent (idiom)

yǔrénfāngbiàn,zìjǐfāngbiàn

与人方便，自己方便

[與人方便，自己方便]

Help others, and others may help you (idiom).