1、con- "with" + vers- + -ation + -al.
2、字面含义：turn with sb, turn to with sb, turn around with sb, turn to company with sb(表示转而和某人在一起，转而陪伴某人，和某人一起转悠). => keep company with sb, live with sb. => 陪伴，交往，社交，交谈，谈话。
3、turn理解为中文里的“转悠”，表示和某人一起到处转悠转悠，也行。

1. He had thus far succeeded in fending off my conversational sallies.

他迄今为止一直不为我说的俏皮话所动。

来自柯林斯例句

2. What is refreshing is the author's easy, conversational style.

让人耳目一新的是作者轻松自如的会话式写作风格。

来自柯林斯例句

3. Bernard made no response to Tom's conversational gambits.

伯纳德没有接汤姆的话茬儿。

来自柯林斯例句

4. a casual and conversational tone

不拘礼节的谈话语气

来自《权威词典》

5. In conversational English " is not " often contracts to " isn't ".

口头英语中is not 常缩写为 isn ‘ t.

来自《简明英汉词典》