用于研究这种疾病的时间和金钱投入少得可怜。

The amount of time and money being spent on researching this disease is ___pitiful.

他为缺席会议找了一个拙劣的借口。

He gave a ___pitiful excuse for missing the meeting.

由于社会忽视，许多老年人过着凄惨的生活。

Many elderly people lead a ___pitiful life due to social neglect.