hollow leg
1
空心腿, 无底洞的胃
the capacity or ability to consume an excessive amount of food or drink, particularly alcoholic ones
The idiom "hollow leg" is a humorous expression used to describe a person, usually a young one, who seems to have an insatiable appetite and can eat large quantities of food without gaining weight. The origin of this idiom is not precisely known, but it likely derives from the exaggeration that someone's leg is so hollow that it can hold an enormous amount of food.
- The way she drinks on a night out, you'd swear she has hollow legs.
她晚上出去玩时喝酒的样子，你会发誓她有空心腿。
- My teenage son seems to have a hollow leg; he can devour a pizza and still be hungry for more.
我十几岁的儿子似乎有一条无底洞的腿；他能吞下一整个披萨却还想再吃。
- No matter how much he eats, he never gains weight; it's like he's got a hollow leg.
不管他吃多少，他从不增重；就像他有一条空腿。
- She consumes ice cream by the pint, and it's a wonder she doesn't gain weight with her hollow leg.
她以品脱为单位消费冰淇淋，而且她拥有空心腿却不增重真是个奇迹。
- At the all-you-can-eat buffet, he piled his plate so high, it was clear he possesses a hollow leg.
在自助餐厅里，他把盘子堆得高高的，显然他有一条空心腿。