Idiom of laughing happily.

1, smile, full of smiling faces. Describe the inner joy and happy expression.

2, burst into laughter describes the whole room laughing at the same time.

3. Laugh heartily. Describe a carefree mood, no distractions, and a good laugh.

4. Clap your hands and laugh: clap. Clap your hands and laugh to describe being very happy.

5. Don't laugh and keep your back straight.

6. Laugh at the sky and laugh loudly. More is to take an indifferent attitude towards some things.

7. Smile: A comfortable face means a smile. Describe being happy and smiling.