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Jyutping jat1 gu2
Pinyin yī gǔ

Definitions (Wiktionary)
  1. adv, literary
    with one stroke; all at once
Examples (粵典–words.hk)
  1. Cantonese
    佢一鼓作气做晒啲暑期作业。
    佢一鼓作氣做晒啲暑期作業。
    keoi5 jat1 gu2 zok3 hei3 zou6 saai3 di1 syu2 kei4 zok3 jip6.
    • He finished his summer homework all in one go.
Examples (Wiktionary)
  1. Mandarin
    一鼓作气
    一鼓作氣
    yī gǔ zuò qì
    • to accomplish in one vigorous effort
  2. Mandarin
    你这孩子真手欠,你看你这么一鼓捣,钟不走了不是?
    你这孩子真手欠,你看你这么一鼓捣,钟不走了不是?
    nǐ zhè hái zi zhēn shǒu qiàn , nǐ kàn nǐ zhè me yī gǔ dao , zhōng bù zǒu le bù shì ?
    • You are such a troublemaker (who's got a pair of misbehaving hands)! The clock is now broken after you played with it.