在写作时，我们必须紧扣主题。

When writing, we must keep to the record.

会议期间，请大家紧扣主题发言。

During the meeting, please keep to the record in your comments.

老师提醒我们在演讲中要紧扣主题。

The teacher reminded us to keep to the record in our speeches.

为了节省时间，我们需要紧扣主题讨论。

To save time, we need to keep to the record in our discussion.

这篇文章因为紧扣主题而获得了高分。

The essay received a high score because it kept to the record.

你应该让你的观点紧扣主题.

You should allow your opinion to keep the point.

请紧扣主题。

Keep to the point, please.

请紧扣主题.

Stick closely to your subject, please.

当然它还有另一层含义，即在保证信息的长度的同时，还要紧扣主题。

It also means to stay on topic while keeping the information presented in a bite-size length.