assertion

名词 assertion:

1. a declaration that is made emphatically (as if no supporting evidence were necessary)
   同义词：averment, asseveration
2. the act of affirming or asserting or stating something
   同义词：affirmation, statement

1. A formal assertion of validity.
   确定，鉴定对效力的正式断言
2. Such a questionable assertion is sure to provoke criticism.
   这种有问题的主张肯定会招致非议。
3. I seriously question a number of your assertions.
   对你所坚持的说法，有几点我甚为怀疑。
4. He spoke with assertion.
   他坚定地说。