Original phonetic: dyut1:dut1
形容短而高音嘅聲 (a beeping sound)
擬聲詞Examples
你用八達通拍落部讀卡器度就會有嘟一聲。
nei5 jung6 baat3 daat6 tung1 paak3 lok6 bou6 duk6 kaat1 hei3 dou6 zau6 wui5 jau5 dyut1 jat1 seng1.
You'll hear a beep when you tap an Octopus card on the card reader.