n.(尤指集体或国家间为解决问题、结束争端等进行的)对话;(书、戏剧或电影中的)对白
v.对话；用对话表达
英 [ˈdaɪəlɒɡ] 美 [ˈdaɪəlɔːɡ]
discussion conversation dialogue talk consultation chat gossip
These are all words for a conversation about sth. 以上各词均表示交谈、谈论。
discussion
a detailed conversation about sth that is considered to be important 指讨论、谈论、商讨认为重要的事情：
Discussions are still taking place between the two leaders.
两位领导人仍在进行讨论。
conversation
a talk, usually a private or informal one, involving two people or a small group; the activity of talking in this way 通常指私下的或非正式的交谈、谈话：
a telephone conversation
电话交谈
dialogue
conversations in a book, play or film 指书、戏剧或电影中的对话、对白：
The novel has long descriptions and not much dialogue.
这部小说描述多、对话少。
A dialogue is also a formal discussion between two groups, especially when they are trying to solve a problem or end a dispute. dialogue亦指两个团体间为解决问题或结束争端进行的正式对话、讨论、交换意见：
The President told waiting reporters there had been a constructive dialogue.
总统告诉等候的记者，刚才进行了一次富有建设性的对话。
talk
a conversation or discussion, often one about a problem or sth important for the people involved 常指就某个问题或对有关人员重要的事情进行的交谈、谈话、讨论、商讨：
I had a long talk with my boss about my career prospects.
我和老板就我的事业前景进行了一次长谈。
consultation
a formal discussion between groups of people before a decision is made about sth 指团体间在决策前进行的咨询、商讨、磋商：
There have been extensive consultations between the two countries.
两国之间进行了广泛磋商。
chat
a friendly informal conversation; informal talking 指友好的非正式谈话、聊天
注释
The countable use of chat is especially British English.
chat作可数名词尤用于英国英语：
I just called in for a chat about the kids.
我只是打电话来随便聊聊孩子的事情。
gossip
a conversation about other people and their private lives 指关于他人或其私生活的闲谈、闲聊、说长道短：
We had a good gossip about the boss.
我们讲了一会儿老板的闲话。
常用搭配
a discussion / conversation / dialogue / consultation / chat / gossip about sth
a discussion / conversation / dialogue / consultation on sth
in (close) discussion / conversation / dialogue / consultation with sb
a brief / short / long discussion / conversation / talk / consultation / chat / gossip
to have a discussion / conversation / dialogue / talk / consultation / chat / gossip with sb
to hold a discussion / conversation / dialogue / consultation
to bring a discussion / conversation around / round to…