The room burst into laughter; the man looked puzzled and hurt.(房間里爆發出一陣笑聲；那人看上去既困惑又受傷。)

When he heard the news, he burst into laughter.(當他聽到那個消息后，他突然大笑起來。)

"Haha point" refers to the threshold where you can be amused and burst into laughter.(“哈哈點”指的是你能被逗樂并放聲大笑的臨界點。)

Mother burst into laughter, and then into tears.(母親突然笑了，然后又哭了起來。)

He burst into laughter, not hollow laughter now, but honest laughter.(他突然大笑起來，不是空洞的假笑，而是貨真價實的笑聲。)

Her humorous story made me burst into laughter sometimes.(她的幽默故事有時使我突然大笑起來。)

Seeing the funny picture, the whole class burst into laughter.(看到這張有趣的照片，全班同學都突然大笑起來。)

All of a sudden, she burst into laughter.(她突然大笑起來。)

Upon hearing the funny story, everybody burst into laughter.(聽了這個滑稽的故事，大家都哈哈大笑。)

As the comedian appeared, the audience burst into laughter.(喜劇演員一上臺，觀眾就爆發出一陣笑聲。)