láo

firm

sturdy; fold (for animals); sacrifice; prison

roof (宀) + cow (牛) = penned in, firm, secure

A cow kept under a roof is penned in and secure — the image extends naturally to anything firmly held or enclosed, including prisons and ritual animals.

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RoofSemantic
CowSemantic

你要把这个结打,不然会散开的。

nǐ yào bǎ zhè ge jié dǎ láo,bù rán huì sàn kāi de。

You need to tie this knot firmly, otherwise it will come undone.

那个人因为犯罪被关进了里。

nà ge rén yīn wèi fàn zuì bèi guān jìn le láo lǐ。

That person was locked up in prison because of a crime.

Words with 牢

钉牢

dīng láo

to clinch (a nail)

陷入牢笼

xiàn rù láo lóng

to fall into a trap

亡羊补牢

wáng yáng bǔ láo

lit. to mend the pen after sheep are lost (idiom)

吃牢饭

chī láo fàn

(coll.) to serve time in prison; (Tw) (sarcastic) to live off the prison system (getting free meals)

嘴上没毛,办事不牢

zuǐ shàng méi máo , bàn shì bù láo

a youth without facial hair cannot be relied upon (proverb)

嘴上无毛,办事不牢

zuǐ shàng wú máo , bàn shì bù láo

see 嘴上沒毛,辦事不牢|嘴上没毛,办事不牢[zui3 shang4 mei2 mao2 , ban4 shi4 bu4 lao2]

嘴牢

zuǐ láo

tight-lipped

地牢

dì láo

prison

坐牢

zuò láo

to be imprisoned

坚牢

jiān láo

strong

大牢

dà láo

prison

太牢

tài láo

(in ancient times) sacrificial animal (cow, sheep or pig)

More characters with 宀