What is the terrain of blue thin shiitake mushrooms, crikey, even someone sang into a song, so magical, too good to hear

Blue thin shiitake mushrooms is a recent hot Internet use of words, meaning: hard to cry.

Source:

Original

October 2016, Nanning, Guangxi, a small brother after the loss of love to record a video: "blue thin, shiitake mushrooms", originally this upside high happy, mud why do you want to say this kind of words? The first fin for a girl's shit is so fragrant. The first wing for a girl shit so mushrooms, blue thin. Why did you have to say such a thing, leaving me alone here?

Translated

It's hard to cry, I was happy today, why did you say such things? It's hard to cry here. It's the first time I want to cry so much for a girl, it's hard. Why did you say such a thing, leaving me alone here.