他当然知道这件事。
Of course he knows about it.
only natural; as it should be; certainly
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.
他当然知道这件事。
Of course he knows about it.
你当然可以去。
Of course you can go.