Someone who is extrovert is very active, lively, and friendly.
例句
...his extrovert personality.他外向的性格
英漢詞典釋義
n.
性格外向的人
Extrovert prefer lively conversation to brood on the meaning of life.性格外向的人喜歡高談闊論，而不愿思索人生的意義。She’s a good person to invite to a party because she’s such an extrovert.最好把她邀來參加聚會,因為她很愛交際。
英英詞典釋義
Noun
1. (psychology) a person concerned more with practical realities than with inner thoughts and feelings