待你长发及腰劳资一刀剪了
[dài nĭ zhăng fā jí yāo láo zī yī dāo jiăn le]
Means 'When Your Hair Grows Long, I'll Cut It Off Abruptly,' expressing a sudden decision to make a drastic change (cutting hair), usually out of disappointment or disillusionment with another person who might symbolize by their long-growing hair.