heavyweight
noun [ C ] uk/ˈhev.i.weɪt/ us/ˈhev.i.weɪt/
（体重79.5公斤以上的）重量级拳击手
a boxer who weighs more than 175 pounds (79.5 kilograms) and is therefore in the heaviest group
Mike Tyson was heavyweight champion of the world. 迈克‧泰森曾是世界重量级拳击冠军。
Compare: lightweight adjective (NOT HEAVY)
重量级人物；重要的事物
a person or thing that is important or serious and that other people notice
Her extraordinary intelligence and speaking ability made her a political heavyweight. 她出众的智慧和口才使她成为政界的重量级人物。