quitter

🇬🇧/ˈkwɪtə(r)/ 🇺🇸/ˈkwɪtər/📚 27301
If you say that someone is not a quitter, you mean that they continue doing something even though it is very difficult. 半途而废的人

noun [专属名词]轻易放弃的人;懒人;故意中途退出游戏的玩家(游戏术语)

He won't resign because he's not a quitter.
他不会辞职,因为他不是个半途而废的人。

单词造句:
网友用“Quitter”造句精选
He is a quitter who is temperamentally unsuited to remaining a champion. 他是个容易放弃的人,这种性格不会长期保住冠军位置。
I am a fighter, not a quitter. 我是一个斗士,不是一个懦夫。