少年他光芒万丈少女她十分璀璨
[shăo nián tā guāng máng wàn zhàng shăo nǚ tā shí fēn cuĭ càn]
Says 'The young boy shines brightly and the young girl sparkles intensely,' comparing them to luminous figures. This describes teenagers having bright and impressive futures ahead full of potential.