碧海蓝天我的少年晴空万里我的菇凉
[bì hăi lán tiān wŏ de shăo nián qíng kōng wàn lĭ wŏ de gū liáng]
'Blue sea, blue sky, my young boy; sunny day, my girl'. It portrays a serene and romantic scene where the speaker remembers their cherished youths, symbolized as clear days and vast seas.