擺爛

(neologism c. 2014) (slang) to stop striving (esp. when one knows one cannot succeed); to let it all go to hell; (sports) to tank

to arrange / to exhibit / to move to and fro / a pendulum

soft; mushy / well-cooked and soft / to rot; to decompose / rotten / worn out / chaotic; messy / utterly; thoroughly / crappy; bad