Usage of the character 闭

to close by coming together (like the lips of a wound, the doors of an elevator, the walls of a channel)
to close by connecting in a loop (like a circuit)
closed-loop

bìjīng

闭经

[閉經]

amenorrhoea

bìhuì

闭会

[閉會]

close a meeting

bìguān

闭关

[閉關]

to close the passes
to seal off the country
seclusion (monastic practice, e.g. of Chan Buddhists)

bìzuǐ

闭嘴

[閉嘴]

Shut up!
same as 閉上嘴巴／闭上嘴巴

bìmù

闭幕

[閉幕]

the curtain falls
lower the curtain
to come to an end (of a meeting)

bìshang

闭上

[閉上]

to close
to shut up

bìsuǒ

闭锁

[閉鎖]

to lock

bìguǎn

闭馆

[閉館]

(of libraries, museums etc) to be closed

guānbì

关闭

[關閉]

to close; to shut (a window etc)
(of a shop, school etc) to shut down

mìbìcāng

密闭舱

[密閉艙]

sealed cabin

zìbìzhèng

自闭症

[自閉症]

autism

fēngbìxìng

封闭性

[封閉性]

closed; encapsulated

bìyuányīn

闭元音

[閉元音]

close vowel

bìmùshì

闭幕式

[閉幕式]

closing ceremony

bìzǐjí

闭子集

[閉子集]

closed subset (math.)

bìqūjiān

闭区间

[閉區間]

closed interval (in calculus)

bìméngēng

闭门羹

[閉門羹]

see 吃閉門羹／吃闭门羹 (chībìméngēng)

bìyīnjié

闭音节

[閉音節]

closed syllable

guānjìnbì

关禁闭

[關禁閉]

to put in detention (a soldier, a pupil)

bìsuǒqī

闭锁期

[閉鎖期]

lock-up period (on stock options)

bìkéjī

闭壳肌

[閉殼肌]

adductor muscle (of a bivalve mollusk)

mìbìmén

密闭门

[密閉門]

airtight door

bìshangzuǐbā

闭上嘴巴

[閉上嘴巴]

Shut up!

shēnbìgùjù

深闭固拒

[深閉固拒]

deep, closed and refusing (idiom); obstinate
stubborn and perverse

bìménsèdòu

闭门塞窦

[閉門塞竇]

to close doors and block openings (idiom); mounting a strict defense

bìguānsuǒguó

闭关锁国

[閉關鎖國]

to close the passes and seal off the country
to close a country to exclude foreign contact

kāibìmùshì

开闭幕式

[開閉幕式]

opening and closing ceremonies

bìmùyǎngshén

闭目养神

[閉目養神]

to relax with one's eyes closed

yōubìkǒngjù

幽闭恐惧

[幽閉恐懼]

claustrophobia

bìlùdiànshì

闭路电视

[閉路電視]

closed-circuit television

bìhuìqídǎo

闭会祈祷

[閉會祈禱]

benediction

bìguānzhèngcè

闭关政策

[閉關政策]

closed-door policy

bìmùsètīng

闭目塞听

[閉目塞聽]

to shut one's eyes and stop one's ears
out of touch with reality
to bury one's head in the sand

bìménzàochē

闭门造车

[閉門造車]

lit. to shut oneself away and build a cart (idiom)
fig. to work on a project in isolation, without caring for outside realities

yèbùbìhù

夜不闭户

[夜不閉戶]

lit. doors not locked at night (idiom); fig. stable society

mìbìhuòcāng

密闭货舱

[密閉貨艙]

sealed cabin

bìguānzìshǒu

闭关自守

[閉關自守]

close the country to international intercourse

bìyuèxiūhuā

闭月羞花

[閉月羞花]

lit. hiding the moon, shaming the flowers (idiom)
fig. female beauty exceeding even that of the natural world

bìkǒubùtán

闭口不谈

[閉口不談]

to refuse to say anything about (idiom)
to remain tight-lipped
to avoid mentioning

sāshǒubìyǎn

撒手闭眼

[撒手閉眼]

to have nothing further to do with a matter (idiom)

bìménsīguò

闭门思过

[閉門思過]

shut oneself up and ponder over one's mistakes

bìjuànkǎoshì

闭卷考试

[閉卷考試]

closed-book examination

bìménmìjù

闭门觅句

[閉門覓句]

lit. lock the door and search for the right word (idiom); fig. the serious hard work of writing

bìkǒubùyán

闭口不言

[閉口不言]

to keep silent (idiom)

bìménhuìyì

闭门会议

[閉門會議]

closed-door meeting

chībìméngēng

吃闭门羹

[吃閉門羹]

to be refused entrance (idiom)
to find the door closed

bìtúxiàngdìnglǐ

闭图象定理

[閉圖象定理]

closed graph theorem (math.)

Fēngbìxìng Kāijú

封闭性开局

[封閉性開局]

Closed Game
Double Queen Pawn Opening (chess)
same as 雙后前兵開局／双后前兵开局

xiǎngyǐbìméngēng

飨以闭门羹

[饗以閉門羹]

to close the door in one's face (idiom)

yōubìkǒngjùzhèng

幽闭恐惧症

[幽閉恐懼症]

claustrophobia

yáguānjǐnbìzhèng

牙关紧闭症

[牙關緊閉症]

lockjaw
trismus

zhēngzhīyǎnbìzhīyǎn

睁只眼闭只眼

[睜隻眼閉隻眼]

to turn a blind eye

zhēngyīyǎnbìyīyǎn

睁一眼闭一眼

[睜一眼閉一眼]

to turn a blind eye

bìsèyǎnjīngzhuōmáquè

闭塞眼睛捉麻雀

[閉塞眼睛捉麻雀]

lit. to catch sparrows blindfolded (idiom)
fig. to act blindly

zhēngyīzhīyǎnbìyīzhīyǎn

睁一只眼闭一只眼

[睜一隻眼閉一隻眼]

to turn a blind eye