廿四小時 (jaa6 sei3 siu2 si4) — 24-hours; the entire day (can also be pronounced: je6 sei3 siu2 si4) in Cantonese
jaaˍ₆廿sei˗₃四siuˊ²小siˎ₄時简 廿四小时
Mandarin Pinyin: nian4 si4 xiao3 shi2
Meaning of 廿四小時
noun24-hours; the entire day (can also be pronounced: je6 sei3 siu2 si4)
nounTwenty-four hours