锁于他心溺于她海
[suŏ yú tā xīn nì yú tā hăi]
The netizen wants to express being deeply and uncontrollably attracted to another individual as well as wishing this significant person could lock into their heart. Here, “He” and “She” could refer specifically to real persons, or symbolize different kinds of loves and infatuations, such as friendship and romance, or family and lover respectively.