心甘情愿 (xīngānqíngyuàn) · willingly

心 xīn · heart

What 心 is made of

心 is not built from smaller parts; it is written with 4 strokes.

Origin hint: A heart (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

甘 gān · sweet

What 甘 is made of

• 卄niàn — twenty
  • 十 — ten
    • 一 — horizontal stroke
    • 丨 — vertical stroke
  • 丨 — vertical stroke
• 二 — two strokes
  • 一 — horizontal stroke
  • 一 — horizontal stroke

情 qíng · emotion

What 情 is made of

• 忄xīn — heart
  • 八bā — eight
  • 丨 — vertical stroke
• 青qīng — nature's color
  • 龶 — top part
  • 月yuè — moon; month
    • 冂 — frame
    • 二 — two strokes

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

愿 yuàn · desire

What 愿 is made of

• 原yuán — source
  • 厂chǎng — cliff
  • 泉quán — spring
• 心xīn — heart

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