I didn't enjoy the film but don't let that put you off.

put 在这里是动词，意思是"放置、使处于某种状态"。 off 是副词，表示"离开、停止"的意思。 put off 是一个短语动词，意思是"使失去兴趣、使扫兴"，指某事让人感到不愉快或不想继续。