In March he goes on a survival course and learns about the “umbles”: as hypothermia sets in you mumble, fumble, grumble, stumble, then finally tumble. 三月，开始野外生存训练，懂得了寒冷下嘴、脚是什么样：低温开始了，咕哝，摸爬，嘟囔，踉跄，终于仆倒在地。
In the past, rich people might have considered eating an 'umbles pie' as a punishment. But who knows?
过去，有钱人可能认为食用“用兽类内脏做的派”是一种惩罚。但是谁知道呢？
英语百科
Humble pie
（重定向自Umbles）
To eat humble pie, in common usage, is to apologize and face humiliation for a serious error. Humble pie, or umble pie, is also a term for a variety of pastries based on medieval meat pies.