他顿时明白了。
He suddenly understood.
immediately; suddenly
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.
他顿时明白了。
He suddenly understood.
教室里顿时安静下来。
The classroom suddenly went quiet.