Formal:
* "There was nothing better to do on a rainy day than curl up with a good book."
* "The team had nothing better to offer than a weak defense."
Informal:
* "I know it's a silly movie, but sometimes you just need nothing better than a good laugh."
* "He couldn't think of nothing better than to spend the afternoon fishing."
* "On a hot summer day, there's nothing better than a cold lemonade."
Idioms:
* "He felt he had nothing better to do than complain."
* "It's a tough situation, but you've got to make the best of it; you've got nothing better to do."
You can also use "nothing better" to express a sense of resignation or even annoyance:
* "He had to work late, but he had nothing better to do than complain about it."
* "She had to go to the party, even though she had nothing better to do than sit in a corner and be bored."
Remember that "nothing better" is often used as a comparison, implying that something is preferable to something else. It can also be used to express a sense of contentment or lack of other options.