situation; state; circumstances; surroundings的区别?

situation; state; circumstances; surroundings的区别?

state (CONDITION)
noun [C]
a condition or way of being that exists at a particular time:
The building was in a state of disrepair.
She was found wandering in a confused state (of mind).
Give me the keys - you're in no fit state to drive.
After the accident I was in a state of shock.
I came home to an unhappy state of affairs (= situation).
The kitchen was in its original state, with a 1920s sink and stove.
situation
noun [C]
1 the set of things that are happening and the conditions that exist at a particular time and place:
the economic/political situation
Her news put me in a difficult situation.
"Would you get involved in a fight?" "It would depend on the situation."
I'll worry about it if/when/as the situation arises (= if/when/as it happens).
surrounding常用复数形式,指"环境,周围的事物",词义较狭窄,仅指周围的具体的物质性的东西.
The students live happily in beautiful surroundings.
circumstance意为"环境,情形,情况",常用复数形式,表明与某事件或某人有关的情况,环境,境况等.
He was forced by circumstances to do this

look them up in the dictionary.