go off at a tangentBritish EnglishBrE, go off on a tangent American EnglishAmE informalTHINK/HAVE THE OPINION THAT to suddenly start thinking or talking about a subject that is only slightly related, or not related at all, to the original subject 突然离开原来的思路;突然离题 Let’s stay with the topic and not go off at a tangent. 我们还是继续讨论正题吧,不要离题。
go off at a tangent• As for going off at tangents, my dear, I do it myself, hormone balance not withstanding.• Loretta's mind went off at a tangent.
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