a clean bill of health
US /ə kliːn bɪl əv helθ/
UK /ə kliːn bɪl əv helθ/

1.
健康證明, 良好狀況證明
a statement or certificate that someone is healthy or that something is in good condition
:
•
After a thorough check-up, the doctor gave him a clean bill of health.
經過全面檢查,醫生給他開具了健康證明。
•
The car passed the inspection and received a clean bill of health.
這輛車通過了檢查,獲得了良好狀況證明。