at the door 的意思

sit at the front door 的意思? Death knocks at the door什么意思 at the front door和at front door的区别 at the door和on the door的区别? in the door和at the door的区别 in the doorway &at the door 意思是一样的吗? door的意思door knock at the door at the door是什么意思? He stood at the door with his head down 的中文意思是什么? Close the door please的意思 close the door的中文意思