5. Take the medicine regularly three times a day after each meal.

饭后定时吃药，每天3次。

还能这样说：

Three times per day after each meal.

You should take the medicine three times a day after each meal.

应用解析：

idle away time 虚度光阴，游手好闲；

in a short time 很快地；

in bad time 误时，迟到；

in double-quick time 非常快地；

in due time 及时地，适时地，按时地

6. Take four pills when you feel bad at the heart.

心脏不舒服时就吃4片药。

还能这样说：

Take four pills when your heart hurts.

You should take four pills when your heart feel seedy.

7. Aspirin can remedy a headache.

阿斯匹林可治头痛。

还能这样说：

Aspirin can deal with your headache.

Headache can be cured by aspirin.

应用解析：

There is a remedy for all things but death.

除死亡外，一切都有补救方法。

8. I've heard that Chinese medicine has better virtues.

我听说中药疗效更好。

还能这样说：

I heard that Chinese medicine has better curative effect.

I heard that the curative effect of Chinese medicine is more remarkable.

应用解析：

by virtue of 靠……的力量；由于；

have the virtue of 具有……长处；

negative virtue 消极的美德（未行善也未作恶）；

of easy virtue 不贞节的，水性扬花的