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Jyutping gaau2 bat1 hou2
Pinyin gǎo bù hǎo

Definitions (Wiktionary)
  1. adv, informal
    perhaps; maybe
    (syn.) 备不住, 话勿出, 或许, 話唔定, 也許, 壳张, 容許, 講唔定, 说不定, 或許, 讲唔定, 也许, 備不住, 难免, 說不定, 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, 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, 话唔埋, 講勿定, 歉采, 話唔埋, 凡勢

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Jyutping gaau2 bat1 hou2
Pinyin gǎo bu hǎo

Definitions (CC-CEDICT)
  1. (coll.) maybe
  2. perhaps
Examples (Wiktionary)
  1. Mandarin
    不是她说,皇甫非墨这么大马哈的性格,搞不好就会被某个女侠误会了。
    不是她説,皇甫非墨這麼大馬哈的性格,搞不好就會被某個女俠誤會了。
    bù shì tā shuō , huáng fǔ fēi mò zhè me dà mǎ hā de xìng gé , gǎo bù hǎo jiù huì bèi mǒu ge nǚ xiá wù huì le .
    • Even if she didn't say it, Huangpu Feimo, with such a scatterbrained personality, would perhaps be misunderstood by some superwoman.