He is not that bad. 语气比较肯定。
He can't be that bad. 比较惊讶。
这两个自然,as ~ as显得古板,书面
He is not that bad. 语气比较肯定。
He can't be that bad. 比较惊讶。
He can't be as bad as you think. 同上。
He is not so bad as you said.
he is not as bad as you said.
He did not as bad as you say