Collins Chinese Dictionary Plus (3rd edition), 2011:
有朝一日 yǒu zhāo yī rì one day
- 我希望有朝一日能到世界一流大学(學)读(讀)书(書)。 Wǒ xīwàng yǒu zhāo yī rì néng dào shìjiè yīliú dàxué dúshū. I hope that one day I can go and study at one of the world's best universities.