a clean bill of health
健康證明,表示一個人沒有任何健康問題或疾病的證明
書面/口語·確認健康或良好狀態
英文釋義
official or formal statement confirming that someone or something is healthy, in good condition, or free from any negative or harmful factors
例句
The doctor gave me a clean bill of health after the check-up.
典故來源
源自航海術語,船只離港需出示無疫病證明。