"Blue-thin shiitake mushroom", which means it is hard to feel and want to cry.

On July 18, 2017, the Ministry of Education and the State Language Commission released the Report on the State of Language Life in China (2017) in Beijing, and Blue Thin Mushroom was selected as one of the top ten Internet terms in 2016.

You can search for "blue thin shiitake mushrooms" emoticons to find pictures of difficult emotions with words.