1. The speaker laughed away his fears.

2. He was laughing away to himself all the time.

3. He used to laugh away his spare time.

4. He laughed away the dangers.

5. The curtain descended,but the audience was still laughing away.

6. He tried hard to laugh away his embarrassment.

7. He tried to laugh away her doubts.

8. I tried to laugh away her doubts, but it proved of no avail.

9. I tried to laugh away her doubts ( fears ), but it proved of no avail.