talk
1.talk统指“谈话”、“空谈”或“传言”，a talk是“一次谈话”或“一次非正式的演说或演讲”，talks是“多次谈话”、“多次非正式的演说或演讲”或“多次郑重的会谈”。例如：
- He is fond of good talk.
- He is all talk（空谈）.
- There is talk（传言）of the staging of many new plays.
- We had a pleasant talk together.
- She gave a talk on cooking on the wireless.
- We had several pleasant talks together.
- She gave a series of talks on cooking on the wireless.
- We have had several talks（会谈）together about the establishment of continuation schools.
再比较下面三种表达方式，第一种表达方式跟第二种表达方式意思相同，第三种表达方式不同：
- a five-minute talk
- a five minutes' talk
- five minutes' talk
2.He talks nothing but Chinese和I talk three languages besides Chinese等句子里可以用talk。但Do you speak Chinese? （你能讲汉语吗？）等句子里习惯用speak，不用talk。
3.talk business，talk politics，talk philosophy，talk literature，talk books，talk novels等表达方式里的talk作“谈论”解，是及物动词，注意business，politics，philosophy等词都做成一个整个的题材。下面各句都不可说：
- Tom often talks his cat to me.
- Whenever they meet, they talk their school-days.
- What did she talk to you this morning?
- I had nothing to talk to him.
在每句里的talks或talk后面该加上about或of。talk about是“谈论”，talk of是“谈及”。但第三句里用talk to you about比用talk about to you自然。
注意下面第一句里的about可有可无，第二句里必须有about：
- Bob is a dog-lover, he often talks (about) dogs for hours.
- Bob is a dog-lover, he often talks about his dogs for hours.
4.比较下面四句：
- I wish I had someone to talk to. （但愿我有某人可以向他谈话。）
- I wish I had someone to talk with. （但愿我有某人可以跟他交谈。）
- I wish I had someone to talk to me. （但愿我有某人向我谈话。）
- I wish I had someone to talk with me. （但愿有某人跟我交谈。）
就语法讲这四句都不错，但习惯上只用第一句。
