You use except to introduce a statement that prevents a previous statement from being completely true
Freddie would tell me nothing about what he was writing, except that it was to be a Christmas play.
弗雷迪不愿告诉我他在写什么,只说会是个圣诞剧本。
except for
You use except or except for to introduce the only thing or person that prevents a statement from being completely true.
apart from , excluding
He hadn't eaten a thing except for one forkful of salad.
除了一口沙拉,他什么都没吃。
Elephant shrews are found over most of Africa, except for the west.
在非洲的大多数地区都发现了象鼩,除了西非。
You use except to introduce the only thing or person that a statement does not apply to, or a fact that prevents a statement from being completely true.
I wouldn't have accepted anything except a job in New York.
我本来是除了去纽约工作以外什么都不会接受的。
No illness, except malaria, has caused as much death as smallpox.
除了疟疾以外,没有其他疾病比天花带来的死亡更多。