The sound of the door closing deceived me into thinking they had gone out.

deceived 是动词 deceive 的过去式，deceive 的意思是"欺骗、误导"。这个词由前缀 de-（表示"离开、偏离"）和词根 ceive（来自拉丁语 capere，意思是"拿、取"）组成，字面意思是"使偏离正确方向"，引申为"欺骗"。 在句中 deceived me into thinking... 表示"用欺骗的方式使我产生...的想法"，即"误导我以为..."。