他们不能把两者区分开来。
最后就是from表示原因。其实我们只需记住from的基本意思离开、断开、区分,而对于from表示原因,根本无须去记忆,因为from表示原因的句子中,from前后的因果关系非常明显,把from当作离开、断开、区分是讲不通的。
例:Famine came and tens of thousands perished from starvation.
发生了饥荒,数以万计的人饿死。
He had got dark rings under his eyes from lack of sleep.
由于缺觉,他眼睛周围都发黑了。
The crops are suffering from the want of rain.
由于缺雨庄稼都受到了影响。
(缺雨是庄稼受影响的原因,所以suffer后要用from,这时,还需刻意去记suffer from这个单词吗?)
一个介词本身并不麻烦,可一旦它与其它动词、形容词搭配就变化多端了。现在,我们已掌握了from的基本意思是离开、断开、区分,看看常见的和from固定搭配的词组可否由介词的基本意来推出其意思。
1. stop sb. from doing sth.
prevent sb. from doing sth.
keep sb. from doing sth.
dissuade sb. from doing sth.
restrain sb. from doing sth.
阻止、劝阻、约束某人做某事,即让某人远离那件事
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