The traitor's knees were knockingtogether from fright.
叛徒吓得两膝直打战。
2
I've got all the information together but it still needs knocking into shape.
我把材料全都收集齐了，但还需要整理。
《牛津词典》
3
I gather William and Kate may live at Clarence House when they're in London, which is where Harry has an apartment, so they'll continue knocking around together.