老骥嘶风

old horse sniffs the wind (idiom); fig. aged person with great aspirations

lit. an old steed in the stable still aspires to gallop 1000 miles (idiom); fig. aged person with great aspirations

old thoroughbred; fig. aged person with great aspirations

lit. an old steed in the stable still aspires to gallop 1000 miles (idiom); fig. old people may still cherish high aspirations

old but still full of vitality (idiom)

old but vigorous (idiom); hale and hearty despite the years