柠檬与少年青柠与少女
[níng méng yŭ shăo nián qīng níng yŭ shăo nǚ]
'Lemon and Teen Boy, Green Lemon and Teen Girl' uses lemons to associate with youthful freshness and vigor of teenagers. The slight variation of lemon and green lemon hints at slightly different characters or moods of boys and girls respectively.