| 1 | Hearing the joke, he burst out laughing. | |
| 2 | I couldn't help laughing out loud with a slight curl at the corners of my mouth. | |
| 3 | She heard the laughter and couldn't help but burst out laughing. | |
| 4 | This movie is very funny. I laughed out loud while watching it. | |
| 5 | Her mother laughed heartily on the phone conversation with her. |