This paper, from both the aspect of foreign students learning Chinese function words and Chinese people using Chinese function words, will use comparative methods to differentiate common similarative function words from three-in-one combination of semantics, grammar and pragmatics.

The meanings of form words depend on other constituents that co-occur with them.

The first chapter deals with the things inside the delexical verb.

Dissimilarities between English and Chinese delexical verbs lie in the scope of their utilization,semantic characteristics,as well as the regularities of internal and external combination.

This paper discusses the differences of synonyms in English language,in terms of stylistic level,emotional coloring,the degree of emphasis,denotation & connotation,dialects,etc.

This paper explains and compares 4 synonyms used in a piece of ancient essay, and indicates the uses of the synonyms plays an important role in the description of the characters nature.

This paper mainly introduces how to distinguish synonyms in terms of meaning,semantic prosody,style and the teaching application.

While the richness of English synonyms makes the expression more precise and subtle, it poses a lot of difficulties to English learners as well.

A comparison between LOCNESS and two sub-corpora St5 and St6 of CLEC with regard to the use of two synonyms common and ordinary finds that the learners corpora exhibit a large number of misusages.

Overseas students taking Chinese as a foreign language make different kinds of mistakes and the causes include the following: besides cultural factors,there are few good textbooks illustrating synonym discrimination,and some TCFL teachers do not give a clear explanation on synonym discrimination.