self-as·ser·tive /-ˈsɝtɪv/
  (a.)自作主張的,倔強的
  Self-as·sert·ive a. Disposed to self-assertion; self-asserting.
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  self-assertive
       adj 1: confidently aggressive; "too assertive as a salesman"; "his
              self-assertive and unflagging energy" [syn: assertive,
               self-asserting]
       2: offensively self-assertive [syn: bumptious]