cocky
adjective informal disapproving uk/ˈkɒk.i/ us/ˈkɑː.ki/
狂妄自负的;趾高气扬的;骄傲的
used to describe a young person who is confident in a way that is unpleasant and sometimes rude
He's a bit cocky for my liking. 他有点狂妄，我不喜欢。
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