Lin Daiyu's name, Xiaoxiang, was originally taken from an old story about two concubines of Shun (Yao's daughter) who cried day and night after Shun's death (drowning in a boat in the river), making Bambusa tearful and later regarded as Xiaoxiang Bamboo. Lin Daiyu cried for a long time, so many people in the Grand View Garden joked that she had got this number.
Xiaoxiang's dream of falling, also refers to the feeling that the change of the situation is far from the inner ambition and frustrated. The above sentence means that the author of this painting (it should be a painting) is meticulous in brushwork, and the ignition of pen and ink shows his inner anguish. He is a scholar with lofty aspirations but regrets the vicissitudes of life.