初遇少年再遇少女
[chū yù shăo nián zài yù shăo nǚ]
'First Encounter as a Young Boy, Second Encounter as a Girl' describes a scenario of meeting someone special at different stages of life. The person you meet for the first time might be a young boy and on another occasion could be seen as a young girl. It implies a nostalgic feeling for past experiences with love or affection over different times and identities.