1.
guide a conversation into other subjects
把谈话引向其他话题
2.
I was the subject of their talk.
我是他们谈话的话题。
3.
Subject and Thread of a Talk as Well as Their Semantic and Pragmatic Basis;
话题与话元以及确定话题、话元的语义语用依据
4.
To deal with(a topic)in passing.
顺便处理（一话题）
5.
A subject of discussion or conversation.
话题讨论或交谈的主题
6.
jump from one subject to another
从一个话题跳到另一个话题
7.
They switched the conversation to a less embarrassing subject.
他们把谈话转向了不太尴尬的话题。
8.
He shunted the conversation (on) to more interesting subjects.
他把谈话转到更有趣的话题上。
9.
switched the conversation to a lighter suBject.
把谈话转移到一个更轻松的话题
10.
Can we shunt the talks onto a new topic?
我们谈话换个新话题好吧？
11.
No matter what is the subject of conversation, plunge at once in medias res.
不管话题是什么，有话就直说。
12.
A remark intended to open a conversation.
开场白为了打开话题有意说的话
13.
The subject cropped up in the course of conversation.
谈话中无意间提到了这个话题。
14.
He always work round to his favorite topic.
他总是把话头引到他得意的话题上去。
15.
Your words wandered too far from our subject being discussed.
你的话离我们正在讨论的话题太远。
16.
People should speak briefly and to the point.
会上讲短话，话不离题。
17.
Divagate from
（文章或谈话）离题
18.
a banal joke [question]
陈腐的笑话[问题]