get long in the tooth 变老
be getting old 逐渐变老
be past one's prime 过了巅峰期
aging population 老龄化人口
old-fashioned 过时的
out of date 过时
over the hill 走下坡路
1. He is getting long in the tooth but still works every day.
他年纪大了，但仍然每天工作。
2. This software is a bit long in the tooth and needs updating.
这个软件有点过时，需要更新。
3. The old car is long in the tooth but still runs well.
这辆旧车虽然老旧，但仍然运行良好。
4. Some ideas in the book are long in the tooth now.
书中的一些观点现在已经过时了。
A: Do you think this system is long in the tooth?
A：你觉得这个系统已经过时了吗？
B: Yes, it's long in the tooth and needs an upgrade.
B：是的，它已经很老旧，需要升级。
1) 形容人年纪偏大，不再年轻
2) 形容事物过时或陈旧
3) 带有轻微幽默或委婉语气的表达
1. 形容人或事物变老或过时
e.g. He is getting long in the tooth but still active. 他年纪大了但仍然活跃。
2. 指不再处于最佳状态或巅峰时期
e.g. The system is long in the tooth. 这个系统已经过时。
adjective
1. (informal) Describing someone or something that is old, outdated, or past its best period.
Synonym: aging, outdated