他内心其实很高兴。
Deep down he is actually happy.
heart; innermost being; (math.) incenter
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.
他内心其实很高兴。
Deep down he is actually happy.
我内心有点儿紧张。
I feel a little nervous inside.