talk的意思是：v.说话;讲话;谈话;讨论，谈论，商谈，洽谈(通常指重大的事);(用某种语言)讲，说。
n.交谈;谈话;讨论;商讨;(***或组织之间正式的)洽谈，会谈，谈判;(专题)报告，演讲。例句：
1. We don't often have time to talk.我们常常没有时间谈话。
2.We are talking about education in its widest sense.我们在讨论最广义的教育。
3.We looked around the school and talked with the principal.我们参观了那所学校，并跟校长进行了交谈。