conversation 
英 [ˌkɒnvəˈseɪʃən]  美 [ˌkɑnvərˈseɪʃən] 
n. 谈话；社交；人机对话

例句：
He's a talkative guy, and I struck up a conversation with him. 

他是个健谈的人，于是我跟他攀谈起来。

He made no attempt to engage them in conversation. 

他没有试图与他们交谈。

They were soon deep in conversation. 

他们很快就热聊起来。

When I arrived, I found her in conversation with Mrs Williams. 

我到的时候，发现她正在和威廉斯夫人聊天。

She knew that the topic of conversation had been changed as soon as she'd sat down at the table. 

她知道自己刚在桌前落座他们就转变了话题。