馬尾穿豆腐，提不起來 [马－－－－－－－－来]

Jyutping maa5 mei5 cyun1 dau6 fu6 , tai4 bat1 hei2 loi4
Pinyin mǎ wěi chuān dòu fu , tí bu qǐ lai

Definitions (CC-CEDICT)
  1. lit. like tofu strung on horsetail, you can't lift it
  2. fig. let's not talk of this (pun on 提[ti2])