温故知新

wēn gù zhī xīn

Hiếm

Định nghĩa

1. to recall the past to understand the future

Từ cấu thành 温故知新

• 故 故 gù: happening
• 新 新 xīn: new
• 故知 故知 gù zhī: a close friend over many years
• 知 知 zhī: to know