fit as a fiddle 身体很健康
—— Harry! How have you been? I haven’t seen you in ages.
——I’m fit as a fiddle. This exercise program I’m following is terrific.
He is as fit as a fiddle though he is already seventy.
Jim rested at home for a few weeks after his operation, and now he was as fit as a fiddle again.
My grandfather looks like 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.
Lucy is still fit as a fiddle and catches mice in the garden.
Johns has completely recovered from his recent illness and is now as fit as a fiddle.
If you want to climb three mountains in 24 hours, you have to be as fit as a fiddle.