薪火相传

1. • lit. the flame of a burning piece of firewood passes on to the rest (idiom)
2. • fig. (of knowledge, skill etc) to be passed on from teachers to students, one generation to another

Character by character

• 薪(xīn)firewood
• 火(huǒ)surname Huo
• 相(xiāng)surname Xiang
• 传(chuán)pass on