预习 (yùxí) · to prepare lessons (before class)

预 yù · to prepare

What 预 is made of

• 予yǔ — to give
  • 丁dīng — male adult
• 页yè — page
  • 贝bèi — sea shell
    • 冂 — frame
    • 人rén — person

Origin hint: 页 gives the meaning, 予 gives the sound. (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

习 xí · to study

What 习 is made of

• 冫bīng — ice
  • 丶 — dot