轻描淡写写不尽伱温柔
[qīng miáo dàn xiĕ xiĕ bù jĭn nĭ wēn róu]
The literal translation would be describing tenderness vaguely but endlessly, meaning even with light description, the warmth cannot stop flowing from words. Emphasizes the deep emotions or gentleness toward someone special which cannot be fully expressed through casual writing.