放声大笑

例句：

1. 1. He laughed heartily at the joke.
   他高兴地笑了。
2. 2. She laughed so hard she almost fell over.
   她笑得太厉害了，差点摔倒。
3. 3. The children were laughing and playing together.
   孩子们在一起笑着玩。