玄机很难懂。
The mystery is hard to grasp.
profound theory (in Daoism and Buddhism); mysterious principles
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.
玄机很难懂。
The mystery is hard to grasp.
他研究玄机。
He studies the mystery.