他竟然忘了这件事。
He actually forgot about it.
unexpectedly; to one's surprise; in spite of everything
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.
他竟然忘了这件事。
He actually forgot about it.
你竟然会做菜!
You can actually cook!