he is so hard that he looks old. 请问这句话哪里错了呢?谢谢

问题描述:

he is so hard that he looks old. 请问这句话哪里错了呢?谢谢

hard的原意是难的、坚硬的,改为He works so hard that he looks old.
他 工作 非常 难(所以)他看起来老了。
加了一个所以

is改为works

hard的本意是"难的,坚硬的",改为he works so hard that he looks old.

这句话想表达的意思是什么?