Chinese
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|-
!
!(luke)warm; to review
!
happening; instance; reason
happening; instance; reason; cause; deceased; old
!to know; to be aware
!new; newly; meso- (chem.)
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!trad. (溫故知新)
| 溫
| 故
| 知
| 新
|-
!simp. (温故知新)
| 温
| 故
| 知
| 新
|}
Idiom
溫故知新
- reviewing learnt knowledge helps one understand it better; reviewing the past helps one understand the present