学钢琴不能急于求成,基础打牢才能弹好。Xué gāngqín bù néng jíyú qiúchéng, jīchǔ dǎ láo cái néng tán hǎo.You can't rush learning the piano; only a solid foundation lets you play well.
他减肥急于求成,结果把身体搞坏了。Tā jiǎnféi jíyú qiúchéng, jiéguǒ bǎ shēntǐ gǎo huài le.He was too eager for quick results in losing weight and ended up harming his health.
种花要有耐心,急于求成只会让花枯死。Zhòng huā yào yǒu nàixīn, jíyú qiúchéng zhǐ huì ràng huā kūsǐ.Growing flowers takes patience; being in a rush only makes them wither.