As I told you I intended to go to Paris, but the weather forecast was appalling enough to put me off.

put off 是一个短语动词，由 put（放置）和 off（离开）组成。put 的基本意思是"放置"，off 表示"离开、远离"。 put off 在这里的意思是"使某人失去兴趣或打消念头"，指因为某些原因而改变主意或推迟计划。