不要因为讲了几个笑话或例证导致离题万里，而把根本目标抛到了脑后。
Do not get so carried away with jokes or illustrations that you forget the basic purpose.
今天收到了你的最新一封信，尽管还是写得离题万里，不过我想我看出了你的困惑所在。
Received your latest letter today, and while it was just shy of coherence, I think I can see where your bewilderment lies.
这本书把真正的侦探工作与最为荒谬的非理性推理和离题万里的文学批评混杂到了一块儿。
The book blends genuine detective-work with the most absurd non-sequiturs and red herrings of literary criticism.
而作为辩论另一方的奥巴马，用《大西洋月刊》上的一篇文章的话说，口误不断，离题万里，反应迟钝，大部分时间只是在进行防御性辩解。
Obama, on the other hand, was "stumbling, rambling, dull-edged" and spent most of the debate on the defensive, said an article in the Atlantic.
而作为辩论另一方的奥巴马，用《大西洋月刊》上的一篇文章的话说，口误不断，离题万里，反应迟钝，大部分时间只是在进行防御性辩解。
Obama, on the other hand, was "stumbling, rambling, dull-edged" and spent most of the debate on the defensive, said an article in the Atlantic.
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