这是根本问题。
This is a fundamental problem.
fundamental; basic; root
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
这是根本问题。
This is a fundamental problem.
我根本不知道。
I did not know at all.