用于研究这种疾病的时间和金钱是可怜的（不足的）。

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

他为错过预约找了一个可怜的借口。

He gave a ___pitiful excuse for missing the appointment.

许多老年人在养老院中被忽视，过着可怜的生活。

Many elderly people live ___pitiful lives of neglect in nursing homes.