本题

Please don't stray from the subject.

请不要离开本题.

Note: in the title, all of the weight values are rounded.

注意: 在本题中, 所有的重量值均为整数.

That's something extrinsic to the subject.

那是对本题无关紧要的.

He is in the habit of branching out in his speech.

他讲话时总是要离开本题.

What you said is irrelevant to the subject.

你说的与本题无关.

In 1858 he sent me a memoir on this subject.

他于1858年,曾寄给我关于本题的一篇论文.

He harked back to the subject.

他回到了本题.

Don't overload your lecture with details that do not bear on the topic under discussion.

讲课时不要过多地谈与本题无关的细节.

What you are saying may be true, but in this case it is completely beside the question.

你说的话也许是真的, 但与本题根本不相干.

I shall now enter in medias res.

我现在就直入本题加以叙述.

Their story is the subject of a new book titled "The Golden Thirteen".

一本题为《金色十三》的新书讲述了他们的故事。

Lack of space forbids further treatment of the topic here.

因篇幅所限,此处不便对本题作进一步阐述.

Your opinion's just not the question as I see.

在我看来您的意见与本题无关.

Please confine yourself to the topic; don't include extraneous material.

请就题发挥, 不要说与本题无关的话.

After he had finished speaking , Mr Jones was made answer innumerabke questions.

本题是不定式的被动语态还原.