不朽菇凉放肆的梦
[bù xiŭ gū liáng fàng sì de mèng]
The phrase translates to an 'Immortal Mushroom Girl who dreams wildly'. The term 'mushroom girl' has no literal meaning in English as it is a playful term often used endearingly. Overall it conveys someone young or whimsical with enduring wild aspirations.