这个理论很难。
This theory is hard.
理论
theory; to argue; to take notice of
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
理
论
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
理
See it in sentences
他的理论对不对？
Is his theory right?