人只有正儿八经地吃饭才能健康----其中"正儿八经"怎么表达

Normally正常地，Regular有规律的。
Eating normally will get you healthy.
Regular eating will make you healthy.

有规律的；不偏食、不挑食。

We must take the food we eat seriously to stay healthy.

这样应该比较地道吧。take ... seriously 认真对待，即正儿八经地...

Eat properly to stay healthy.

Properly在这儿可以解做“正儿八经”。