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Jyutping hoi1 daai6
Pinyin kāi dà

Definitions (CC-CANTO)
  1. to open wide; to turn up; to defecate
Definitions (粵典–words.hk)
  1. 動詞
    用​骰仔​賭​大小​果陣​(​又​稱​買​骰​寶​,​買大細​)​,​三粒​骰仔​開出​總點​數為​11​至​17​點​,​就​叫​開大
    a betting option of Sic Bo, when the total score (of 3 dice) is from 11 to 17 inclusively; literally: open big
    • 已經連開二十鋪細,我唔信今次唔開大!
      已经连开二十铺细,我唔信今次唔开大!
      ji5 ging1 lin4 hoi1 ji6 sap6 pou1 sai3, ngo5 m4 seon3 gam1 ci3 m4 hoi1 daai6
      Already got the small for 20 rounds, I don't believe it won't open big this time !
  2. 動詞
    大便​;​屙​屎
    to defecate; to take a shit
  3. 動詞
    (​打機​)​出大絕
    (in games)using the ultimate
Definitions (Wiktionary)
  1. verb, Cantonese
    to take a dump; to poo
    (syn.) 便便, 屙扽 dated, 惹惡, 屙不 childish, 射惡, 屙屎, 屙臭臭 childish, 拉㞎㞎 childish, 㞎解, 擺堆 slang, 拆惡, 㞎屎, 㞎手, 大解 dated, 出恭, 爆石 slang, 拆惡惡 childish, 惹屎, 丟堆子 dated, 屙唔唔 childish, 拉㞎㞎, 更衣 euphemistic, 屙㞎, 上屎缸, 惹惡惡 childish, 解手, 出大恭, 拉惡, 拉屎, 屙㞎㞎, 大便, 大解, 上二號, 屙癟, 解大手 euphemistic, 屙㞎㞎 childish, 擺堆, 應屎 childish, 解大溲, 跳舞 humorous, 屙恭, 開大 slang, 放屎, 擦屎, 拆屎, 屙茄, 排便, 屙唔 childish, 上馬桶, 辦公 humorous, slang, 出恭 euphemistic, 行通, 屙大, 炸東京 slang, 解大手, 出大恭 euphemistic, 上大號, 拉五, 大溲 dated, 大便 childish, 解大手兒, 撇條 euphemistic, euphemistic, 解大便
Definitions (Kaifangcidian)
  1. 大解
  2. 大便
Examples (Tatoeba—Cantonese-English)
  1. Cantonese
    唔该你开大啲冷气吖。
    唔該你開大啲冷氣吖。
    m4 goi1 nei5 hoi1 daai6 di1 laang5 hei3 aa1 。
    • Please turn up the air conditioner.
  2. Cantonese
    你冻就开大啲个暖气啦。
    你凍就開大啲個暖氣啦。
    nei5 dung3 zau6 hoi1 daai6 di1 go3 nyun5 hei3 laa1 。
    • Turn up the heater if you feel cold.
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    把收音机开大声一点。
    把收音機開大聲一點。
    bǎ shōu yīn jī kāi dà shēng yī diǎn 。
    • Turn the radio up a little.
    • Turn up the radio a little bit.
    • Turn the radio up a bit.
Examples (粵典–words.hk)
  1. Cantonese
    你可唔可以开大啲部冷气啊?
    你可唔可以開大啲部冷氣啊?
    nei5 ho2 m4 ho2 ji5 hoi1 daai6 di1 bou6 laang5 hei3 aa3?
    • Could you turn the air-conditioner up a bit?
  2. Cantonese
    去大/开大/屙大
    去大/開大/屙大
    heoi3 daai6 / hoi1 daai6 / o1 daai6
    • to do a number two
  3. Cantonese
    开大定开细?
    開大定開細?
    hoi1 daai6 ding6 hoi1 sai3?
    • Are you taking a number two or number one?
  4. Cantonese
    我忽然间觉得好冻,系咪开大咗个冷气?
    我忽然間覺得好凍,係咪開大咗個冷氣?
    ngo5 fat1 jin4 gaan1 gok3 dak1 hou2 dung3, hai6 mai6 hoi1 daai6 zo2 go3 laang5 hei3.
    • I feel cold suddenly, xxxxxxxxxxx
  5. Cantonese
    将部电视开大声啲吖。
    將部電視開大聲啲吖。
    zoeng1 bou6 din6 si6 hoi1 daai6 seng1 di1 aa1.
    • Could you turn the sound up on the TV.
Examples (Wiktionary)
  1. Mandarin
    白天开大灯
    白天開大燈
    bái tiān kāi dà dēng
    • to turn on the headlights in broad daylight