Meaning of ひさい in Japanese

ハリケーンの被災者たちは、もう三日も食べ物を口にしていない。
The victims of the hurricane have not tasted food for three days.

被災地に救援物資が急送された。
Relief supplies were raced to the disaster area.

浅学非才の私ではありますが、何とぞ皆様のお力を賜りたく、ここにお願い申し上げる次第です。
I may not have much to offer in the way of learning or ability, but I want to do whatever I can for us all and humbly ask for your favor.