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prize-winner in this sentence mentioned, she's in honor of be part of Best Leading Actress Meryl Streep(2007, Oscar Best Leading Actress) groups. The academy award is the most sparkling entertainment ring. It's very natural to introduce herself with so many hedges.
（6）"‘Twilight'is really awesome. And I agree."-- Kristen Stewart
Like the example above, it is closely related to the charming film. In fact, it results from their nature of job. One thing, "really" put stress on the excellent quality of the film. Another thing, it suggests viewers keep eyes on the films. To be frank, they give the films and work team publicity absolutely. In all, the two similar examples are determined by their job in the film circle.

5. The Pragmatic Functions of Hedges
Lakoff held that hedges are the most worthy doing research because of their many pragmatic aspects of function. Therefore, hedges have its specific pragmatic functions in this award ceremony.
5.1 The relative precision of communication
"As long as the vague language is under conditions, it's able to get the exact meaning. That is absolutely right on the description of objective facts. " (cited by Wang Yongzhong 2003:59) In a sense, hedges can play the role of accuracy.
Hedges appear to be vague, unclear, but it was not necessarily bad. Sometimes we have to speak clearly, while there are some occasions we must be vague in the communication. Owing to objective or subjective reasons, people will consciously or unconsciously usehedges.As Russell (1923) said, the vagueness of the objective world is surrounded by the world's mobility, indivisibility and continuity. A lot of matter, phenomenon and characteristics make up continuity, which is difficult for us to draw an exact boundary between them.
Subjectively, the frequent use of hedges looks redundant in the female award speech. On the perspective of cooperative principle, maybe hedges go against its quality and quantity principle. In fact, it is the strict observance of cooperative principle, reflecting female winner's inner thoughts, their emotional inspiration and cognition. From the qualitative point of view, so many plausibility shields the speecher uses to express feelings may reduce the reliability of the information. From the quantitative point of view, the use of hedges when talking about personal thoughts and feelings, emotions and life topics, may provide too much or too little information available that needs selecting. However, hedges do not violate the principles of cooperation, but supply the greatest amount of information making communication more precise so that the subjective language is closer to objective facts.
（7）"I know they're in here and you'll probably hear her in a minute. Maybe not."-- Sandra Bullock
The plausibility shields , "I know", "probably" and "maybe" do not change the original meaning of the discourse structure, just adding a note to make sure that the original tone tends to be ease. On the whole, it is really easing the speaker's tone. The speaker uses the word "maybe" for the overall information because she is unsure whether her families are here or not. Whatever, it gives an opportunity for speakers' further action.
（8）"I'd be lying if I have not made a version of this speech before, I think I was probably 8 years old and s