I'm in perfect health.

我身体非常健康。

youdao

An avid bike rider, he was in perfect health.

他可是一名狂热的自行车手，身体非常健康。

youdao

He found that the stately horse was not sick, but in perfect health.

他发现这匹高贵的马不但没病，而且非常健康。

youdao

' That didn't stop him from diagnosing moments later that the teen is in perfect health.

NPR: A Day-Long Look into the Mind of Hugo Chavez

Even if you are in perfect health, someone close to you probably uses a treatment that was supported by NIH.

FORBES: Congress Is Killing Medical Research

If pregnancies proceed very smoothly then babies can arrive in perfect health, but for some, complications can be missed without the benefits of regular antenatal appointments.

BBC: Pregnancy: Is it possible not to know?