狸貓換太子
lei4 maau1 wun6 taai3 zi2lí māo huàn tài zǐinferred
English
- to substitute someone's valuable item with another item; literally: to substitute a leopard cat (?) for the crown prince
粵語 — Cantonese
- 比喻以假貨換走珍貴物品
Sources: rime-cantonese, synthesized, words.hk