glutton
/ˈglʌtn; `ɡlʌtn/ n
1 person who eats too much 贪吃的人; 吃得过多的人
You've eaten the whole pie, you glutton! 你把整块馅饼都给吃了, 你这贪吃鬼!
2 ~ for sth (infml 口) person always ready for more (of sth difficult or unpleasant) 甘愿承受更多困难、 不快事物的人
a glutton for punishment, (hard) work, etc 对惩罚、 （艰苦的）工作等无所畏惧的人.