The girl is aspringchicken compared to her 60 year-old boyfriend.
和她60岁的男朋友相比，这个姑娘就是一只雏鸡。
2
And 2.4.18 isn't exactly aspringchicken — at the time this article was written, it was nearly 3 months old and there still haven't been any major problems found in the code.
绝非新出现的—在写这篇文章的时候，它出现已经将近三个月了，在代码中还没有发现任何重大问题。
3
I'm over forty, so I'm not aspringchicken any more. But I can still play a good game of tennis. In fact, I can take my 20-year-old son out to the tennis court and beat him any day of the week.