"When I was sleeping I heard a knock at my door, and I opened my door and two men were there and gave me a pouch and said, 'A gift for you.'" The prosecutor asked Campbell if she knew who the gift was from.

VOA: standard.2010.08.05

And woops-- I knock over the tower.

可是我居然打翻了这座积木塔。

耶鲁公开课 - 死亡课程节选

If I can't, I want to knock him back, because what I really need to do is to get him out of the way.

如果杀不了,我就要把他击退,因为我真正的目的是把他从这条线路上推开

耶鲁公开课 - 古希腊历史简介课程节选