小心别在咖啡桌边上撞到膝盖。

Be careful not to ___bump your knee on the edge of the coffee table.

我搬箱子的时候手肘在门框上撞得很重。

I ___bumped my elbow really hard on the door frame while carrying the box.

她在黑暗中把小腿胫骨撞到了金属床架上。

She ___bumped her shin against the metal bed frame in the dark.