倒背如流 dào bèi rú liú

DEFINITIONS

  1. to know by heart (so well that you can recite it backwards)

CHARACTERS

倒 dào
HSK 4
fall over; lie down; take turns
背 bèi
HSK 5
back; back side; behind; betray
如 rú
HSK 3
if, supposing; as if; like, as
流 liú
HSK 4
flow, circulate, drift; class