1. look good/very well/nice/great/terrific/fresh-complexioned 看起来气色很好

Wow! Candy, you're looking great!
哇!凯蒂,你看起来棒极了!

2. have a good color/high color 脸色红润

You have a high color on the face.
你脸色很好。

3. have a good complexion 面色好;气色很好

At the same time, people usually have good complexion, have a better mental state , which also shows their good health.
同时,面容好的人通常气色、精神状态都更好,这也说明他们健康状况良好。

4. off color 不舒服、气色差

I feel a bit off color.
我觉得有点不舒服。

5. little color 没有血色

He has little color in his cheeks.
他脸上几乎没有血色。

6. be in the pink 身体好

I hope you'll soon be in the pink again.
我希望你早点恢复健康。

7. looking bouncy 看起来生龙活虎

You certainly look bouncy today.
你看起来精力充沛。

8. a ball of fire 精力充沛的人

I hope John will join us, he is a ball of fire.
我希望约翰能加入我们,他是个精力旺盛的人。