a family get-together at Christmas的用法和样例：
- We all try to get together at least once a year at Christmas time.
- They get together once a year at Christmas time.
- Our family had a get together at the park.
- Chinese think long noodles symbolize longevity. And it creates family harmony when the whole family get together to enjoy longevity noodles on a family member's birthday.
- He gets up with a sweet dream, hoping to have a family reunion at Christmas.
- We always have a family gathering at Christmas.