廿四 jaa⁶ sei³ {niàn sì}

number; twenty-four

廿四味 jaa⁶ sei³ mei² {niàn sì wèi}

noun; Twenty-four Flavor Herbal Tea

廿四史 jaa⁶ sei³ si² {niàn sì shǐ}

1. twenty four dynastic histories (or 25 or 26 in modern editions)
2. same as 二十四史

廿四小時〔---时〕 jaa⁶ sei³ siu² si⁴ {niàn sì xiǎo shí}

Twenty-four hours