一口吃個胖子〔---个--〕 jat¹ hau² hek³ go³ bun⁶ zi² {yī kǒu chī ge pàng zi}

1. lit. to want to get fat with only one mouthful (proverb)
2. fig. to try to achieve one's goal in the shortest time possible
3. to be impatient for success