1、You are as fit as a fiddle.

2、The young bachelor was as fit as a fiddle before he got married.

3、Xiao Wang has completely recovered from his illness and is now as fit as a fiddle.

4、I did have a surgery a few months ago, but I'm as fit as a fiddle now.

5、That old man is nearly ninety but fit as a fiddle.

6、He was fit as a fiddle when he came back from abroad.

7、If you want to climb three mountains in 24 hours, you have to be as fit as a fiddle.

8、To see a game through to the final whistle while maintaining high performance, a player needs to be as fit as a fiddle.

9、A hard day's work may leave you sore but a night's on the air bed will make you as fit as a fiddle the next morning.

10、In conclusion, if we stick to things according to the aspects mentioned above, we'll lead a healthy life and become as fit as a fiddle.

11、My grandfather looks as if he's sixty but he's really eighty years old and fit as a fiddle: he still has his own teeth, doesn't need glasses, and walks four miles every day.