Semantic and lexical organization is a topic frequently talked about among scholars from different disciplines.

Semantically, morphemes in modern Chinese may be classified under three types, namely, unfamiliar morpheme, familiar morpheme, and morpheme without corresponding definition.

The second item of the character "堇" in The Great Chinese Dictionary should mean "天时" as the "堇" meaning "天时"is a homonym to the "堇" that means "黏土".

Based on the original meaning of the word "wan",and considering the law of derivation,then the author points out that "wan" has eight items:1.

But contemporary Chinese dictionaries fail to offer a way out for dealing with separation and mergence of the entries and items of the homographic twocharacter groups.

The paper argues that the semantic structure of content sense can be generalized as"S=kernel component(+distinctive component).

What s more,the large-scale dictionaries should include this sense accordingly.

We establish a new data-base called‘sense frequencies of Chinese polysemes in HSK’based on the two data-bases, and this new data-base covers these information below: level of sense, quantity of sense, frequency of sense, etc.

With the method of valent grammar,this article has a research into the verb wei s(为)five familiar sememes in "Confucian analects" from the aspects of the valent form,the constitution of valence and the relations between them.