蘑菇蘑菇她不会开花先森先森你还爱她吗
[mó gū mó gū tā bù huì kāi huā xiān sēn xiān sēn nĭ hái ài tā ma]
This can be translated as 'Mushroom, mushroom, she will not blossom; Sir, sir, do you still love her?' It could be a playful rhyme or riddle expressing feelings of unchanging love.