在于 (zàiyú) · to lie in

在 zài · at

What 在 is made of

• 才cái — ability
  • 扌shǒu — hand
    • 二 — two strokes
    • 亅 — hook
• 土tǔ — earth
  • 十 — ten
    • 一 — horizontal stroke
    • 丨 — vertical stroke
  • 一 — horizontal stroke

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

于 yú · at

What 于 is made of

• 二 — two strokes
  • 一 — horizontal stroke
  • 一 — horizontal stroke
• 亅 — hook