glutton

不要在派对上做个贪吃鬼，给其他人留点披萨。

Don't be such a ___glutton at the party—save some pizza for others!

他真是个工作狂，总是自愿加班。

He's such a ___glutton for work, always volunteering for overtime.

他真是自找苦吃——每赛季都主动报名当十二岁以下儿童队的教练。

He's a ___glutton for punishment—volunteering to coach the under-twelves every single season.