To long for or regret the past, especially a simpler or more carefree life; to feel nostalgia for what has been lost or missed.
回想起当年在乡村田园的悠闲日子，他不禁发出华亭鹤唳的感叹。
Recalling the carefree days in the countryside, he couldn't help but sigh with a feeling of 'Huating crane's cry', longing for the past.
Next Idiom