【英音|日常口语】“我老了”地道英语怎么说?

我老了:
- got a little bit of snow on the roof(字面含义为“屋顶有雪”,形容有白头发)
- I'm past it.
- I'm over the hill.
- I'm no spring chicken.(字面含义为“我不是春鸡了”)
- I'm not as young as I used to be.
不显老:
- Someone hasn't aged at all.
- Someone looks very good for someone's age.