请问单词occasion、situation、condition、state有什么区别？

state,condition,situation,status
These nouns denote the mode of being or form of existence of a person or thing.
这些名词都表示人或事物存在的形式或方式。
State andcondition, the most general, are largely interchangeable:
State 和condition 最普通， 在多数情况下可以通用：
a state (or condition ) of disrepair; a healthy state (or condition ).
绝望的状态（或 condition ) ；健康状况 （或 condition )。
“Every body continues in its state of rest . . . unless it is compelled to change that state by forces impressed upon it” (Isaac Newton).
“每一个物体保持其静止状态…除非有加于其上的力，它才会改变那种状态” （伊萨克·牛顿）。
“The condition of man . . . is a condition of war of everyone against everyone” (Thomas Hobbes).
“人类的状态…是人与人对抗的战争状态” （托马斯·霍布斯）。
Situation more narrowly refers to a state or condition at a particular time as determined by a combination of circumstances:
Situation 较狭义地指由环境综合决定的特定时间上的状态或情形：
“Eternal truths will be neither true nor eternal unless they have fresh meaning for every new social situation” (Franklin D. Roosevelt).
“如果永恒真理不能赋予社会状况新的意义，则它既不为真理也不会永恒” （富兰克林·D·罗斯福）。
Status usually applies to a person or thing considered in relation to others of the same class.With reference to persons it implies relative standing;with respect to things it is roughly equivalent tostate or situation :
Status 通常指被认为与同类或同阶层有关的人或物。指人时暗指相对的地位；指物时大致等同于State 或 situation ：
“Mr. Polly's status was that of a guest pure and simple” (H.G. Wells).
“波利先生的身份纯粹是客人” ( H ·G·韦尔斯）。
What is the current status of the arms-reduction negotiations?
削减武器的谈判最近形势如何？
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以上是比较笼统的字典式解释．．具体你要领会区别还要多读英语书，长久之后你自然可以辨别了．