SARS may be a deadly disease.

非典可能是种致命的疾病。

Cancer is a deadly disease.

癌症是一种致命的疾病。

That is a deadly disease.

那种疾病会致命。

Tuberculosis is no longer a deadly disease.

肺结核已不再是一种致命的疾病。

Though it was not deadly disease, it was hard for him to recover.

虽不是致命的疾病，却总也好不彻底，可见其伤心伤身之深。