相濡以沫花开不落彼岸花开莫矢莫哀
[xiāng rú yĭ mò huā kāi bù luò bĭ àn huā kāi mò shĭ mò āi]
The phrase conveys the concept of mutual affection even through hardship, symbolized by flowers ('彼岸花' or Shorea Hupeiensis) which remain blooming, suggesting steadfast love no matter the challenges encountered along life's journey.