heavy hitter是什麼意思?

意思是: n. 大亨，要員，大人物;

例句

The tech company has hired a new CEO who is a heavy hitter in the industry and has a proven track record of success.
該科技公司已經聘請了一位新的執行長, 他是該行業的重量級人物, 擁有可以證明的成功記錄.