最坏的年龄是多少岁？

What's the worst age to be?

您多少岁了, 富勒先生?

And how old are you, Mr. Fowler?

杰克和吉尔现在各是多少岁？

How old are Jack and Jill now?

你说这大象的寿命有多少岁啊？

What's the lifespan of an elephant?

她多少岁退休的？

At what age did she retire?

是的。你还提到了退休。是的。马云多少岁?50岁吗?是的。

Yes. You also have mentioned retirement. Yes. Jack Ma at what? At 50 something? Yes.

如果你的祖父是一个90到99岁的人,那他会是多少岁呢?

If your grandfather were a nonagenarian, hoe old would he be?

工厂中年龄最小的工人是多少岁?。

What is the age of the youngest worker in this facility?

美国大选的最低投票年龄是多少岁？

What is the minimum voting age in U. S. elections?

你看起来很年轻，你今年多少岁了？

Are you twenty-one years of age?