无微不至 (wúwēibùzhì) · meticulously

无 wú · no

What 无 is made of

• 一 — horizontal stroke
• 尢yóu — weak
  • 乚 — hook stroke

微 wēi · small

What 微 is made of

• 彳chì — to step with the left foot
  • 丨 — vertical stroke
• 山shān — mountain
  • 凵qiǎn — container
  • 丨 — vertical stroke
• 兀wù — weak
  • 一 — horizontal stroke
  • 儿ér — child
    • 丿 — falling stroke
    • 乚 — hook stroke
• 攵pū — to rap
  • 乂yì — crossed strokes
    • 丿 — falling stroke

不 bù · not

What 不 is made of

• 一 — horizontal stroke

Origin hint: A bird flying toward the sky 一 (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)

至 zhì · reach

What 至 is made of

• 一 — horizontal stroke
• 厶sī — private
• 土tǔ — earth
  • 十 — ten
    • 一 — horizontal stroke
    • 丨 — vertical stroke
  • 一 — horizontal stroke

Origin hint: A bird alighting on the ground 土 (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)