1. She isn't old enough to get married.
2 This cost isn't strong enough for me to wear it in winter.
3. That chair isn't strong enough for us to stand on.
4. Are you tall enough to reach the top shelf?
5. It's not warm enough today for us to go outside.
6. I'm not strong enough to lift this box.
7. Tom doesn't have enough money to pay his bill.
8. This bed isn't wide enough for two people to sleep in.
9. The water wasn't clean enough for us to swim in.
10. He wasn't experienced enough to do that job.