a wobbly tooth的用法和样例：
- The evening got off to a wobbly start.
- beth had a wobbly tooth. it had wobbled and wobbled for weeks. one day, beth bit into a big red apple. her wobbly tooth came out.
- The handlebars developed a wobble.
- A wobbling satellite on a low-earth orbit.
- Just because you can't do what you want there's no need to throw a wobbly.