Use "as right as a trivet" in a sentence

1. Joan was feverish last night, but she is as right as a trivet his morning.

2. After the mechanic replaced the silencer, my car was as right as a trivet.

3. After a month or so in plaster and a little massage, his leg is now as right as a trivet.

4. A month or so in plaster and then a little massage and therapy, and we'll have your ankle as right as a trivet.