“futilely”造句，怎麼用futilely造句

Hitler, now ashen-gray, futilely strained at his chains.

wait or pass the time aimlessly or futilely; be kept waiting.

The tear fills the empty eyes and flows futilely.

It was a backhoe, futilely picking through the shell of a factory dormitory that had crumbled, trapping dozens of people.