Shirabe
自信 過剰
Common Noun family or surname
English jmdict
1
noun (common) (futsuumeishi) self-confidence;confidence (in oneself)
Are you sure of your facts?
English jmnedict
1
Jishin
English jmdict
1
noun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no' overconfident;presumptuous
You should beware of overconfidence.