fit as a flea
US /fɪt æz ə fliː/
UK /fɪt æz ə fliː/
成语
身体非常健康, 健壮如牛
very healthy and strong
示例:
•
My grandmother, at 80, is still fit as a flea and goes for a walk every day.
我的祖母80岁了，仍然身体非常健康，每天都去散步。
•
After a month of intense training, he was feeling fit as a flea.
经过一个月的强化训练，他感觉身体非常健康。