Don 't wander from the subject . ; Stick to the point .

别 扯 远了。

Don 't wander from the subject : stick to the point ie Don 't digress . In addition to the main question there are secondary matters to talk about .

不要 离题，要针对这一问题谈。除主要问题之外，还有些次要问题讨论。

Don 't let your mind wander from the main point as issue .

不要让你的思路 离开 争论 的主题。