柠檬少年亦如清新的夏天
[níng méng shăo nián yì rú qīng xīn de xià tiān]
'The youth like fresh lemon is similar to the refreshing summer.' A metaphorical statement, comparing youth's vibrancy and vitality, akin to lemons, to the clear and vibrant feelings associated with summer, often suggesting purity and joyous innocence.