My father is fit as a fiddle.

我的爸爸身体健康。

You look as fit as a fiddle.

你看起来气色不错。

You are as fit as a fiddle.

你的体形像小提琴一样。

This can help to keep me fit as a fiddle.

这能使我能保持身体健康。）…在线…

He is eighty years old and fit as a fiddle.

他八十岁了，身体硬朗的很。