Only Chen's son criticized him. Chen's only son criticized him. Chen's son only criticized him.用法及区别
第四句亦可写作Chen's son criticized only him.把only调至him之前，意思不变。第一、三句的only是副词；第二、四句的only是形容词。
从上列例句可以看出，更换某些词在句中的位置往往会使句子产生不同的意义。初学英语者对类似的句子应加以注意，以免误解原意。下面再举数例，以见一斑：Happily he did not die.他幸而不死。
He did not die happily.他不得好死。
I don't like wine very much.我并不很喜欢喝酒。
I don't like very much wine.我不想喝太多酒。
He is standing still.（不动）
He is still standing.（仍然）
He told me what Charles said yesterday.
We heard from the policeman all about his escape.
We heard all about his escape from this policeman.
Please return before Monday all books that you have borrowed from the library.（还书时间）
Please return all books that you have borrowed from the library before Monday.（借书时间）
I often wake up during the night.（经常醒来）
I wake up often during the night.（经常在晚间）
He was not only a boy.（不单是个男孩）
He was only not a boy.（不是个男孩）