開

開 (radical 169, 門+4, 12 strokes, cangjie input 日弓一廿 (ANMT), four-corner 7744₁, composition ⿵門开(U+958B) or ⿵門幵(U+2F9EE))

• 鐦(锎), 𢵱, 𤡲, 𣛣(𬂻), 𣾺, 𥖆, 𦼠, 𥳐, 𨷑, 𩦓, 𫔦(𬮫), 𫙸, 𫫭, 𫯿

• KangXi: page 1331, character 5
• Dai Kanwa Jiten: character 41233
• Dae Jaweon: page 1835, character 15
• Hanyu Da Zidian: volume 7, page 4286, character 2
• Unihan data for U+958B
• Unihan data for U+2F9EE

Historical forms of the character 開
Warring States	Shuowen Jiezi (compiled in Han)		Liushutong (compiled in Ming)
Qin slip script	Ancient script	Small seal script	Transcribed ancient scripts

Ideogrammic compound (會意) : 門 (“door”) + 一 (“latch”) + 廾 (“a pair of hands”) — a pair of hands opening a latched door. 一 and 廾 are combined into 开 since the seal script.

開

1. to open; to unlatch; to unfasten
   • 我開不到這扇門。 / 我开不到这扇门。  ―  Wǒ kāi budào zhè shàn mén.  ―  I can't open the door.
   • 商店開到八點。 / 商店开到八点。  ―  Shāngdiàn kāi dào bā diǎn.  ―  The shop opens till eight o'clock.
   • 開間燒臘舖 / 开间烧腊铺 [Cantonese]  ―  hoi¹ gaan¹ siu¹ laap⁶ pou^3-2 [Jyutping]  ―  to open a roasted meats shop
2. to start; to turn on; to switch on
   • 開電燈 / 开电灯  ―  kāi diàndēng  ―  to switch the light on
   • 開電腦 / 开电脑  ―  kāi diànnǎo  ―  to turn on the computer
3. to begin; to start
4. to boil; to seethe
5. to write out (a prescription, check, invoice, etc.)
   • 開支票 / 开支票  ―  kāi zhīpiào  ―  to write a check

   • 我們開了一張學生必讀書單。 [MSC, trad.]
     我们开了一张学生必读书单。 [MSC, simp.]

     Wǒmen kāi le yī zhāng xuéshēng bìdú shūdān. [Pinyin]

     We made a list of required books for students.

6. to book (a hotel room)
7. to operate/run a business

   • 係做木匠、在前開過一間細木舖、後來亦關唨咯、而家靜靠同人做工夫嚟過日子、 [Cantonese, trad.]
     系做木匠、在前开过一间细木铺、后来亦关唨咯、而家静靠同人做工夫嚟过日子、 [Cantonese, simp.]

     From: 粵音指南·上卷, 卷之一　應對須知

     hai⁶ zou⁶ muk⁶ zoeng^6-2, zoi⁶ cin⁴ hoi¹ gwo³ jat¹ gaan¹ sai³ muk⁶ pou^3-2, hau⁶ loi⁴ jik⁶ gwaan¹ zo² lo³, ji⁴ gaa¹ zing⁶ kaau³ tung⁴ jan⁴ zou⁶ gung¹ fu¹ lai⁴ gwo³ jat⁶ zi², [Jyutping]

     He used to work as a woodworker; he had operated a small wood shop, and later closed it as well; currently he only relies on working for other people to make a living.

   • 1905, T. B. Adam, An English-Chinese dictionary of the Foochow dialect

     Apothecary, kŭi iŏh dáing gì nè̤ng.

     (開藥店其人, literally, "a person who runs a pharmacy")

8. to operate; to drive (a vehicle)
   • 開車 / 开车  ―  kāichē  ―  to drive a car
9. apart; away
   • 散開 / 散开  ―  sànkāi  ―  to separate and strew; to scatter; to disperse
   • 走開 / 走开  ―  zǒukāi  ―  to move out of the way
   • 坐開 / 坐开 [Cantonese]  ―  co⁵ hoi¹ [Jyutping]  ―  to sit farther away
10. (Cantonese) Habitual aspect particle.

    • 你有冇食開啲乜嘢藥㗎？ [Cantonese, trad.]
      你有冇食开啲乜嘢药㗎？ [Cantonese, simp.]

      Nei⁵ jau⁵ mou⁵ sik⁶ hoi¹ di¹ mat¹ je⁵ joek⁶ gaa³? [Jyutping]

      Are you taking any medication?

11. (physics) Short for 開爾文／开尔文 (kāi'ěrwén, “kelvin”).
12. (Chinese phonetics) Short for 開口／开口 (kāikǒu, “open-mouthed”).
13. A surname​.

• (to open): 闢／辟 (pì)

• (to open, to turn on): 關／关 (guān)
• (apart):
  • 過來／过来 (guòlái)
  • (Cantonese) 埋 (maai4)

• → Lao: ໄຂ (khai, “open”)
• → Thai: ไข (kǎi, “open”)

Borrowed from English K (“karat”).

開

1. karat (measure of gold purity)

(grade 3 “Kyōiku” kanji)

1. open

• Go-on: かい (kai, Jōyō); け (ke)
• Kan-on: かい (kai, Jōyō)
• Kun: ひらく (hiraku, 開く, Jōyō); ひらける (hirakeru, 開ける, Jōyō); あける (akeru, 開ける, Jōyō); あく (aku, 開く, Jōyō)
• Nanori: さく (saku); はる (haru); はるき (haruki); ひら (hira); ひらかす (hirakasu); ひらき (hiraki); ひらく (hiraku)

• (to open): 閉

• 開く
• 開ける

開 • (gae) (hangeul 개, revised gae, McCune–Reischauer kae, Yale kay)

1. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

開 (khai)

1. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.