incident accident thing matter的区别,最好说出其用法的区别详细一些谢谢

想了解区别,必须阅读英文本.不能依赖中文翻译.
(1) incident =事件; < 小>事端; 扰乱...
[同义词:happening; event; affair; occurrence; disturbance/disorder/skirmish/brawl/fracas...]
(a) There was a strange incident in the supermarket today.怪小事
(b) the police had reports of an incident outside a pub.扰乱
(2) accident =意外; 事故; 闪失.
[同义词:crash; collision; chance; fortune; coincidence.]
(a) Car accidents on icy roads意外
(b) A series of happy accidents led to his promotion.事故
(c) He ran into an old friend by accident.碰巧/偶然的
(d) She discovered the problem by accident.碰巧/偶然的
(3) thing =东西; 事情;事物; 玩意儿 .
(a) I have so many things to worry about...事情
(b) When he moves house,he likes to throw a lot of things 东西
(c) What is her latest play thing?玩意儿
(d) Things to do tomorrow...事情
(4) matter =事项;问题;.课题; 物质; 动词:有关系.
(a) This is a private matter; money matter 事项;问题;课题
(b) That car matters a great deal to him; It doesn't matter.动词:有关系,要紧
(c) The entire universe is made up of different kinds of matter.物质
(d) A matter of opinion; a matter of principle;
(e) What's the matter( problem) with you?问题...

【例句】1. I had an accident when I was driving to work---my car hit a tree.
2. The July 7th Incident of 1937 is an important one in the history of China.
3. He told me of an...

incident表示某事件的变数插曲，或者某种可预知的灾难。
accident表示突发性的偶然事件，发生率更小一点。happy accident就是意外收获，偶然发现
thing 在含义上比 matter 还要模糊，有时为了含糊其词而有意用 thing。如：I hope things'll be better in the future.
The most frighten...