【文不对题】〖wén bù duì tí〗[be wide of the mark; be beside the mark; be far from the mark; be off the point]

文过饰非言词掩，

不得要领扯闲篇。

对牛弹琴二百五，

题意内容天地悬。

文章里的意思跟题目对不上。指人说话或写文章不能针对主题。meaning in article not right with topic. Refers person speaks or writes articles cannot  addressed to the subject. 同：离题万里、答非所问。反：探骊得珠。答非所问。