話唔埋 [话－－]

Jyutping waa2 m4 maai4
Pinyin huà wú mái

Definitions (Wiktionary)
  1. verb, Cantonese
    to be unable to say for certain
    (syn.) 话唔定, 話唔定
  2. adv, Cantonese
    perhaps; maybe
    (syn.) 备不住, 话勿出, 或许, 話唔定, 也許, 壳张, 容許, 或許, 也许, 備不住, 难免, 话唔定, 没准儿, 話勿出, 凡势, 或者, 保不齊, 保不定, 保不齐, 讲勿定, 怕系, 搞不好, 怕是, 可能, 保不住, 怕係, 興許, 難免, 指不定, 沒準兒, 兴许, 殼張, 容许, 講勿定, 歉采, 凡勢

話唔埋 [话－－]

Jyutping waa6 m4 maai4
Pinyin huà wú mái

Definitions (粵典–words.hk)
  1. 語句
    都​有​另外​嘅​可能​，​唔​係​咁​易預​料到
    precarious; who knows; no one knows; possibly; difficult to expect
    • 將來嘅嘢話唔埋㗎，梗係要早作準備啦。
      将来嘅嘢话唔埋㗎，梗系要早作准备啦。
      zoeng1 loi4 ge3 je5 waa6 m4 maai4 gaa3, gang2 hai6 jiu3 zou2 zok3 zeon2 bei6 laa1.
      The future is difficult to expect, but we surely have to prepare well.
    • 話唔定聽日會打風，要做好防風措施喇。
      话唔定听日会打风，要做好防风措施喇。
      waa6 m4 ding6 ting1 jat6 wui5 daa2 fung1, jiu3 zou6 hou2 fong4 fung1 cou3 si1 laa3.
      Since possibly there will be a typhoon tomorrow, we better do some preventive measures.
  2. 參看
    話唔定
Definitions (Kaifangcidian)
  1. 很難說 – 很难说
  2. 說不定 – 说不定
  3. 難以預料 – 难以预料

話唔埋 [话－－]

Jyutping waa6 m4 maai4
Pinyin huà n2 mái

Definitions (CC-CANTO)
  1. (adverb) maybe; possibly; perhaps; probably; to describe the uncertainty of something occurring; (phrase) there is a good chance that…; it is possible that…; can't say for sure; cannot be certain about; it's hard to say; it's difficult to predict
Examples (粵典–words.hk)
  1. Cantonese
    将来嘅嘢话唔埋㗎，梗系要早作准备啦。
    將來嘅嘢話唔埋㗎，梗係要早作準備啦。
    zoeng1 loi4 ge3 je5 waa6 m4 maai4 gaa3, gang2 hai6 jiu3 zou2 zok3 zeon2 bei6 laa1.
    • The future is difficult to expect, but we surely have to prepare well.