In the paper,the concept and characteristics of authenticity,authentic leader as well as authentic leadership were intro- duced.

When it is discussed, the problem of authenticity is inescapable for the research context, the dual character and authenticity are two related concepts with which we describe the .

This paper,with truth value theory and authenticity as the basic parameters,reviews and criticizes sentence meaning theory and speech act theory,foregrounding the important proposition that "language is human beings\' language".

He suggests the requirement of efficiency should include truthfulness,correctness and sincerity,and the above-mentioned three aspects of the requirement of efficiency are three principles to revise the theory of speech act.

Searle s felicity conditions in the case of insincere invitation.

The Suppressed Sincerity: On the Contradiction and Conflict in Zhao Shuli s Writings;

Politeness phenomena is closely related to culture,society and sincerity and affected by language surroundings in cross-cultural communication with relativity.

In order to solve these problems,assistant should use the expericence of psychology consulting method properly,like repection,passion,sincerity etc.

His sincere disposition,kind and generous character,upright and indomitable spirit,especially his optimistic attitude in adversary are all the superb spiritual wealth to Chinese people.

He believed it sincere that we can find it for his describe to psychology of figure, scene and a series of nobles who confessed.

At the turn of 1949,a lot of writers came back home from abroad with strong national emotions,and began to throw themselves into self-transformation,eulogizing the great era and the new society,embodying sincere subjective spirits which should be absorbed by the present writers living in a consuming world.