形容詞 cocky:

1. overly self-confident or self-assertive

1. A swaggering, cocky manner.
   狂妄自大、趾高氣揚的態(tài)度
2. John is too cocky and should be brought to his level.
   約翰太高傲了，應(yīng)該讓他知道自量。

cock.y

adj.（形容詞）
cock.i.er,cock.i.est
Overly self-assertive or self-confident.
驕傲自大的：自做主張的或過分自信的

【引伸】
cock.ily
adv.（副詞）
cock.iness
n.（名詞）