stray from the point 跑题

“跑题”，汉语词语，意思是说话、文章离开了主题、正题。可以翻译为“stray from the point，wander from the main subject或deviate from the point at the issue”等。

例句：

别跑题，否则你会把我搞糊涂的。

Let's keep to the subject, or you'll get me too confused.

发言者不时地跑题。

The speaker wandered away from the point every now and then.