More than后面可以加形容词原级，表示"很，非常"。

In doing scientific experiments, one must be more than careful with the instrument. I assure you, I'm more than glad to help you.除此以外，当more than表达不同含义的时候，后面也会接不同的词。下面举例说明:1. 表示"不仅仅"，后面接名词。 Modern science is more than a large amount of Information. Jesse is more than a lecturer; he is a writer, too.2.表示"不止,超过", 后面接数词。 I have known David for more than twenty years. Let's carry out the test with more than the sample copy.3.more... than..., "与其说...倒不如说...", 肯定more后面内容，否定than后面的内容。 This book seems to be more a manual than a text. Hearing the loud the boy was more surprised than frightened.

morethan意思是：比…多，后跟名词复数。

more…than可以接名词、形容词、副词，表示比……多、比……更、与其……不如等。more后不能用形容词或副词的比较级形式，而要用原级形式,此外还可用名词、代词、动词、介词短语等。