Primary school students, you guess the questions better than me

Question 1: Children, you are better than me at guessing the words without a trace

wú Yǐng　wú zōng

[Interpretation] trace: trace. Describes completely disappearing; disappearing without a trace.

[Quote] "Dongpo Dream" by Wu Changling of the Yuan Dynasty: "You are here to fight with each other; you are hiding and hiding; you are without a trace."

[Authentic pronunciation] Trace; cannot be Pronounced as "zhōnfeed thin

[distinguish form] trace; cannot be written as "Zong".