[--]

Jyutping sei2 bui3
Pinyin sǐ bèi

Definitions (Wiktionary)
  1. verb
    to force oneself to memorise; to memorise by rote

死背 [--]

Jyutping
Pinyin sǐ bèi

Definitions (CC-CEDICT)
  1. to learn by rote