floral  +  62498 Mon, 20 Dec 04 02:26 PM "knock on the window" and "knock at the window", which one is the best choice? floral Joined on Fri, Nov 12 2004 Central China Junior Member 58 Out of sight,out of mind.

	taiwandave  +  63109 Thu, 23 Dec 04 07:15 PM The choice of the most appropriate preposition depends, often, on the context: 1. He knocked on the window. [the meaning in obvious: the window is where he knocked] 2. He knocked at the window. [there is a slight connotation that he knocked at the window instead of a more obvious place, like the door] taiwandave Joined on Mon, Jun 7 2004 Taoyuan City, Taiwan Full Member 287 Prepositions