深海里有太多的回忆
[shēn hăi lĭ yŏu tài duō de huí yì]
Translated to 'Too Many Memories In The Deep Sea', the netizen compares personal experiences (especially those that cannot be easily forgotten) to items sunken deep down at the ocean bottom, implying these thoughts weigh heavily on their mind constantly bubbling back up again just like water pressure pushing upwards against objects submerged beneath waves.