他的少女我的海她的少年她的海
[tā de shăo nǚ wŏ de hăi tā de shăo nián tā de hăi]
This phrase intertwines several elements, mentioning 'His Young Girl,' 'My Sea,' 'Her Boy' and 'Her Sea'. It's poetically depicting relationships or memories shared with people who mean something different ('young girl/boy as innocence' 'sea representing boundless emotion').