医生告诉他，吸烟有害健康。

The doctor told him that smoking is harmful to health.

许多人不知道吸烟有害健康。

Many people do not know that smoking is harmful to health.

学校教育学生吸烟有害健康。

Schools educate students that smoking is harmful to health.

吸烟有害健康，你应该尽量避免。

Smoking is harmful to health, you should try to avoid it.

政府一直在宣传吸烟有害健康的信息。

The government has been promoting the message that smoking is harmful to health.

吸烟有害健康的论调已被普遍接受.

The argument that smoking is harmful to health has been generally accepted.

吸烟有害健康，请戒烟。

Smoking is harmful to your health, please give it up.

我们都知道吸烟有害健康。

Smoking is harmful to one's health.

我们都知道吸烟有害健康。

As we know , smoking is harmful to one's health.

吸烟有害健康,这是大家公认的.

It is generally accepted that smoking is harmful to our health.