like I do, and I'm really jealous of them.你会和我一，真的很嫉妒那些百岁老人

be jealous of:嫉妒

He was jealous of nobody's achievements.

他不嫉妒任何人的成就。

What he wanted to find out was how people get to be 100-plus,and what exactly we could learn from them.他想要找出那些百岁老人的生活秘诀我们可以向他们学习什么

find out:发现；找出来；揭发

I must find out which of them was in the right.

我一定要搞清楚他们当中谁有理。

He was at pains to find out the truth.

他尽力了解事实真相。

learn from:向 ... 学习

We should learn from her undaunted spirits.

我们应该学习她那种不屈不挠的精神。

We should learn from his mistakes.

我们应该从他的错误中接受教训。